1. Reusable cleanroom garments are noncontaminating, even after repeated laundering, and resist snagging; select lint-free polyester, super dense polyester and static-control carbon grid

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  2. Organize cleanroom gloves, booties and garments as well as safety glasses, wipers and other lab supplies; bench and wall models conserve space, and BioSafe models simplify cleaning.

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  3. Terra's Hardwall Modular Cleanrooms use free-standing steel frames with cleanroom-grade panels; versatile design meets any ISO requirement. Stocked models ship next day!Hardwall Cleanroom Features Overview
    Air Flow DesignWall Panel MaterialFrame MaterialStandard ComponentsCompatible Cleanroom ClassAir ConditioningEnvironmental MonitoringVentilation & Contaminate ControlUpgraded FeaturesServices

    A - Air Flow Design
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    A1 - Laminar Flow/Positive Pressure

    Laminar flow air and positive pressure cleanroom design are ideal for non-hazardous, ultra-clean applications. Positive pressure mitigates dirt from entering the cleanroom when opening doors or pass-through chambers. Laminar airflow design ensures that air maintains a singular, uniform direction and velocity from intake to exhaust port. Terra's positive pressure cleanrooms include HEPA filtration systems capable of ISO Class 3 - ISO Class 8 air quality conditions. ULPA filtration units are available for the most sensitive ISO 3 - ISO 5 product applications including pharmaceutical compounding, semiconductor wafer processing, sterile packaging, and micro-nanofabrication.

    A2 - Laminar Flow/Negative Pressure

    A negative pressure laminar flow cleanroom is best suited for hazardous environments. Particularly, when the product is also sensitive or reactive to chemical, environmental, or particulate contamination. Negative pressure cleanrooms prevent the escape of toxic or hazardous air from the containment structure. Laminar airflow design ensures that air flows without interruption between intake and exhaust, which ensures that sterile or biologically sensitive samples remain pure and unadulterated. Terra's negative pressure cleanrooms provide capable and safe production environments for reducing operator hazards in high-risk applications such as USP 800 compounding, infectious disease research, and chemically intensive processes that require volatile chemical handling.

    Terra manufactures and designs cleanrooms to BSL-1 and BSL-2 criteria. Some operations that fall under BSL-2 may require single-pass air that is filtered before being exhausted to the outside; others may allow recirculation of air and release of unfiltered exhaust air.

    A3 - Ventilation/Negative Pressure

    Negative pressure ventilation rooms are designed for handling chemicals that produce toxic, carcinogenic, or noxious vapors. Reverse-flow FFUs capture particles generated in localized cleanroom spaces to minimize contamination and ensure operator protection. Vapor removal FFUs eliminate trace amounts of VOCs from make-up air to prevent chemical fume contamination. Depending on the application, a containment room may require exit filtration: either HEPA/ULPA filters for particles and aerosols and/or carbon filters to remove chemical fumes.

    A4 - Recirculation/Neutral Pressure

    A neutral pressure cleanroom system is designed to ventilate environmental nuisances away from the operator; it is not intended to provide personnel or environmental protection against hazardous substances. In some cases, the environment does not require any specific ISO-rated classification, thus the primary purpose is to isolate particulates and aerosols that would otherwise congregate in adjacent areas or corridors. If it is safe to do so, a recirculating cleanroom allows filtration and reintroduction of room air and reduces heating and energy costs. Neutral pressure is the least energy-intensive when compared to positive and negative pressure designs. Recirculating negative pressure cleanrooms are commonly selected for purity testing, weighing, capsulizing, and packaging pharmaceutical powders.

    A5 - Horizontal Flow/Positive Pressure

    Horizontally configured cleanrooms are advantageous when vertical space and ceiling access is limited or extra tall ceiling requirements. Ceiling height is an important consideration for cleanroom design, especially for large objects found within aerospace, satellite, and telescope manufacturing environments. Horizontal flow cleanrooms introduce air from fan filter units mounted within sidewalls instead of traditional ceiling-mounted blowers. Air moves in parallel with the floor instead of perpendicularly. Air flows from a side-wall integrated with HEPA fan filter units and exits through a parallel wall with an integrated plenum for air return or exhaust. Wall-to-wall laminar airflow is advantageous when handling small parts and liquids which would otherwise be problematic for vertical floor cleanrooms with grated false-flooring.

    B - Wall Panel Material
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    B1 - Stainless Steel

    Stainless steel is a golden standard among cleanroom construction materials. Easy cleaning, favorable heat properties, and chemical resistance make stainless an ideal choice for biopharmaceutical and semiconductor environments. The smooth surface is easy to wipe down, resists biofilm buildup, and will not off-gas.

    B2 - Powder-Coated Steel

    Powder-coated steel is an economical choice that also provides favorable heat and chemical resistance for most applications. Terra’s signature white powder coat finish provides a high quality, durable barrier to protect against corrosion, plus a clean and attractive aesthetic. The advanced heat-fused formulation exceeds ASTM and ISO paint standards to resist chipping, scratching, fading, and wearing.

    B3 - Acrylic

    Acrylic is widely used in cleanrooms and other critical environment applications. Its low initial cost, lightweight, transparency, and tensile strength makes it an attractive choice in many situations. Terra offers economical acrylic enclosures as a budget-friendly option. While acrylic is fairly durable against UV light and impact-resistant, the material is easily degraded by alcohols and solvents.

    B4 - Static Dissipative PVC

    Static-Dissipative PVC comes in rigid or flexible material for use on hardwall cleanroom panels or cleanroom curtains, dust covers, microenvironments, and other applications requiring a softer material. Non-dissipative plastics quickly accumulate surface charges that attract contaminants. Dissipative plastics prevent static build-up that attracts airborne particulate and lint fibers, which makes surfaces easier to wipe down. Static-dissipative PVC (SD-PVC) will not hold a static charge, offers wide chemical compatibility, and cleans easily. SD-PVC retains a surface resistivity of 10^6 - 10^8 ohms/square indefinitely unlike spray-on coatings that can wear off after a few years. SD-PVC also resists alcohol and most other sterilizing solutions, thus supporting standard disinfecting procedures and extending the life of your enclosure.

    B5 - Polycarbonate

    Polycarbonate is transparent with a slight gray tint and offers broad-spectrum chemical resistance, high impact resistance, and excellent thermal resistance (to 200°F / 93.3°C). Polycarbonate is stronger and cracks less easily than both acrylic (15x stronger) and glass (250x stronger).

    B6 - Polypropylene

    Polypropylene is an opaque thermoplastic with excellent chemical resistance against acids and solvents.

    B7 - Chlorinated PVC (C-PVC)

    Cleanroom chlorinated polyvinyl chloride (C-PVC) wall panels are tested and certified to meet ISO 5 – 8 cleanliness standards. These compressed panels have excellent chemical resistance and prevent particle emission and microbial growth. Their unique solvent-free silicone adhesive allows installation on wallboard substrate creating a strong, rigid structure when mounted to Terra’s steel frame. Welded seams are trim-free, without cracks or gaps. Optional PVC coving is available for floors and corners to further simplify cleaning.

    B8 - Fiberglass Reinforced Plastic (FRP)

    Class A and C FRP panels feature a unique non-outgassing advanced polymer adhesive for installation on drywall or other substrates. A specialized seam sealant provides trim-free seams that expand and contract to accommodate temperature-induced dimensional changes without creating cracks or gaps. A patented surfacing technology seals panels uniformly to enhance durability and prevent particle emission and microbial growth.

    B9 - Tempered Glass

    Tempered cleanroom glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass. Tempered glass is not only impact resistance, but also ideal for its high visual clarity and aesthetic. Glass wall cleanrooms allow easy monitoring of operators and processes within the cleanroom and tend to appear larger and more spacious. Tempered glass is non-outgassing and chemical-resistant, making it ideal for frequent decontamination.

    B10 - Vinyl Curtains

    Cleanroom vinyl curtains are lightweight and rapidly installable for creating room partitions, isolating equipment and processes, or mobile isolation when configured with wheel casters. Curtain strips are available in either 4' -wide softwall panels made of blur-free 40 mil vinyl or 8” -wide strip curtains made of blur-free 60 mil vinyl. Static-Dissipative PVC vinyl includes built-in static inhibitors and is recommended for all cleanrooms to minimize particle cling. A T-Grid Mounting System allows suspension of curtains or strip shields from Terra's cleanroom ceiling grid.

    B11 - Modesty Panels

    Modesty panels provide the combined benefits of natural light while also maintaining a degree of privacy. These panels are ideal for multi-level cleanroom mezzanines that require additional office space or unclassified storage. Modesty panels include an opaque lower panel and upper panel of transparent glass or cleanroom-rated plastic such as polycarbonate or static dissipative PVC. A solid lower panel provides a balance of privacy while the transparent window allows the introduction of natural light and tends to make the space appear larger and less constricted.

    B12 - Insulated Panels

    A double-wall, insulated wall panel promotes a stable environment for long-term sample storage, cell cultivation, or high-volume process equipment. Terra's double-wall insulated panels are adaptable to the customer’s temperature range specifications and application requirements including cold rooms, incubation, and sound isolation. Double-wall construction with 1”-thick polyurethane insulation enhances cleanroom heating/cooling efficiency and thermal stability. Rigid foam insulation paired with a climate control system provides better temperature stability for applications that require raised flooring for true laminar flow. Double-wall structure allows air to circulate through the inter-wall plenum which further increases filtration and A/C efficiency in high-performance applications.

    B13 - Center-Mount Panels With Mirror-Finish Steel Brackets

    Most of Terra’s competitors affix the cleanroom wall panels directly to the frame (mounted on the internal or external side of the frame. With this design, replacing cleanroom wall panels is a cumbersome task and requires cleanroom shutdown. If the panels are affixed externally to the frame, installing coved flooring is virtually impossible and the customers are tasked with sterilizing the frame along with all of its crevices. If the panels are mounted internally, the customer loses precious cleanroom space. If the flooring is coved to the internal panels, the customer loses even more space. Terra’s center-mount panel design alleviates these issues.

    C - Frame Material
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    C1 - Stainless Steel (<20% or -5" Hg)

    Unlike most competitors who offer only aluminum extruded frames, Terra Universal provides steel and stainless steel frame materials that maintain structural integrity far longer than aluminum under fire conditions. Terra Universal’s BioSafe stainless steel cleanrooms may be ideal for sterile applications since they are not affected by harsh wash-down chemicals.

    Double-Wall Steel Panels
    Double-wall panels, available in 304/316 stainless or powder-coated steel, create a freestanding structure for affixing a ceiling grid. Each panel consists of an inside and outside portion, which are joined by a compression ball-and-socket fastener. Once joined, the walls can be detached by means of magnetic-grip handles (not included). The hollow space created by these panels provides a convenient installation zone for electrical conduit, gas, and vacuum service line enhancing systems, cleanliness, and appearance. In controlled temperature applications, this void may be insulated to optimize thermal stability and reduce energy costs.

    All Steel BioSafe Cleanrooms
    Terra’s all-steel BioSafe® Modular Cleanroom creates a rigid, self-supporting structure without a separate frame or external bracing, a key advantage over other designs that require special permitting and contractor installation.

    316L Stainless steel contains the same corrosion-resistant materials as 316 but includes the added benefit of lower carbon content—eliminating the opportunity for excessive metallic contamination and making cracking less likely. Both 316 and 316L can withstand chlorides and chlorinated solutions, such as Spor-Klenz® and Isopropyl Acetate.

    C2 - Powder-Coated Steel

    Terra's powder-coated steel cleanroom frames support free-standing softwall spans of up to 20 feet without internal posts or ceiling suspension cables. If necessary, reinforcements are provided for high-clearance, long-span rooms. Reinforcements ensure stability and additional seismic requirements for particle-sensitive samples and analytical instruments.

    • Excellent for cleanroom applications
    • Good weather resistance
    • Good mechanical properties
    • Good chemical resistance
    • Excellent UV protection
    • Good storage stability
    • Underwriter Laboratories recognized component (UL approved)

    D – Standard Components
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    D1 - Filter Fan Units (FFUs)

    Terra’s WhisperFlow® FFU’s feature UL-listed components and built-in baffles that quietly produce uniform laminar airflow across the face of the filter. UL-listed products meet the highest manufacturing standards and reduce the risk of damage, injuries, and electrical hazards.

    Smart® Fan Filter Units with EC Motors provide annual energy savings of nearly $500 per fan filter unit. The control card features industry-standard MODBUS® networking, precision speed control (1-100%), and closed-loop control capability for air pressure, airflow, and particle count sensors.

    Terra fan filter unit housings are configurable for room-side replaceable, explosion-proof, heated, and low-profile configurations. The same high performance fan filter units are found throughout Terra products including cleanrooms, laminar flow hoods, and containment systems. Filter fan units are stocked, pre-tested, crated, and ready for immediate shipment from Terra's distribution centers.

    D2 - LED Lights

    Terra's LED flat panel troffer lights include dimmable brightness and 5 selectable color temperatures to achieve the perfect balance of light including 3000K / 3500K / 4000K / 5000K / 6500K. When paired with Terra's cleanroom control panels, lighting control is available from a centralized location out of the cleanroom. Terra's power distribution modules (PDMs) allow connection of lighting and fan filter via quick connections that do not require hardwiring. LED panels are available with integrated backup batteries that allow for up to an hour of continued visibility in the case of a power failure.

    D3 - Control Panels

    Cleanroom Control Panels centralize control of cleanroom lighting, power, fan speed, and assignable groups.

    Standard Control Panels provide central control and connection of lights and filters. A Fan Filter Replacement Alarm provides a reliable, quantitative method for determining when a HEPA filter requires replacement. An optional Night Service Switch drops all Fan/Filter Units (FFUs) into a low-energy mode for nights and weekends.

    Smart® Control Panels connect to EC FFUs for individual or grouped fan control and remote monitoring of room differential pressure, particle counts, temperature, and humidity. Robust systems offer advanced control for up to 200 fan filter units and 16 independently controlled rooms.

    D4 - Power Distribution Modules (PDMs)

    PDMs allow the addition of ceiling fan/filter units and lights to meet any cleanliness requirement or to upgrade ISO levels or lighting levels after installation. Terra’s PDMs use 3-pin or 4-pin quick connect fittings to power all FFUs, and lights, no matter the cleanroom size. Hardwiring is only required to connect the Primary, Secondary, Booster, and Duplex PDM modules. Because no additional hard wiring is required to connect and disconnect power to additional lights and fan filters, contractors save time, money, and resources during cleanroom installation, expansion, or modification.

    D5 - Doors

    Standard doors with aluminum frames are available in either single or double door configurations and a choice of acrylic or static-dissipative PVC panels.

    Swing doors are either Left Hand Reverse (LHR) or Right Hand Reverse (RHR) when viewed from outside the cleanroom (dirty side) to minimize particulate impact on the cleanroom when the door opens.

    Cleanroom doors on prehung frames install easily for negative or positive pressure cleanrooms. Choose from swing-out or sliding doors that are UL leak-rated and suitable for ISO 4 - ISO 8 environments.

    BioSafe® 316L stainless steel doors have continuous seam welds for sterile and aseptic environments. Terra's BioSafe products forgo cracks and crevices known to harbor particles and microbes. Dual-pane, flush-mount windows minimize horizontal surfaces and crevices where contaminants collect.

    Fire-rated doors include insulated double stainless steel walls, wire-free construction, and a fire-rated glass-ceramic viewing window that is impact resistant.

    D6 - Windows

    Terra's cleanroom windows are compatible with any cleanroom wall material or thickness and designed for compliance within healthcare, pharmaceutical, and GMP manufacturing applications. These easy-to-clean, hygienic windows enhance the visibility of operations and foot traffic without jeopardizing GMP design standards.

    Flush-mount cleanroom windows easily and seamlessly install into modular and stick-built cleanrooms and labs. Developed specifically for aseptic requirements in bio-pharmaceutical and cGMP cleanrooms, these hygienic cleanroom windows bring more light and visibility to your workspace without compromising cleanliness requirements. Choose from easy-to-clean framed or frameless stainless steel designs. Fire-rated cleanroom window designs meet building code requirements to protect your employees, operations, and business.

    D7 - Filter Replacement Alarm System

    Fan filter replacement alarms provide automatic replacement alerts to avoid costly and unexpected operational interruptions. Alarms trigger an audible buzzer when differential pressure reaches an adjustable setpoint. Alarms provide a reliable method for establishing fan filter replacement intervals while also reducing the risk of electrical/fire hazards caused by overworked motors pushing against overloaded HEPA filters.

    BioSafe® cleanroom windows include compression fittings for fast, hardware-free installation. Framed and frameless designs are compliant with BSL-rated rooms and ISO 4-compliant spaces.

    Related: Cleanroom Window Types and Flushmount Advantages

    E – Compatible Cleanroom Class
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    ISO 14644-1 is a document issued by the International Standards Organization which classifies a controlled environment into six categories of air cleanliness. ISO 14644-1 supersedes previous standards for cleanroom testing and validation such as Federal Standard 209E (FS209E). While references to FS209E are still used, ISO 14644-1 is internationally endorsed for testing and validating a cleanroom that meets FDA, USP, GMP, CGMP, or EU standards. An ISO 14644-1 cleanroom is classified on a scale between ISO Class 3 to ISO Class 8. The ISO class for a particular room is determined for the entire room and not for individual components or materials.

    Terra hardwall and BioSafe cleanrooms are configurable for the cleanest ISO 3 - 5 applications including wafer fabrication, microelectronics, nanotechnology, and sterile or biologically sensitive processes. Most industries fall within ISO 6 - ISO 8 cleanroom requirements including medical devices, general manufacturing, electronics assembly, food/beverage, and particulate or aerosol enclosures. Terra's modular hardwall configurations are available in steel, stainless steel, and plastic panels for ISO 5 - ISO 8 spaces with precise particulate and climate control requirements. ValuLine Softwall Modular Cleanrooms configurations are economical for less intensive or non-classified environments and available with preconfigured and ready-to-ship options.

    F – Air Conditioning
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    F1 - Temperature

    Terra will work with a local HVAC contractor to provide an air control system that meets your cooling requirements and local codes. If the existing HVAC system cannot be used, Terra will provide the ducting and recirculation system that routes exhaust air to the compressor and delivers cool air to the ceiling FFUs in ample volume to maintain the desired air velocity inside the enclosure. Additional Cleanroom A/C Module provides economical cooling in facilities without adequate HVAC. Based on the cleanroom size, desired temperature, and heat dissipated inside the cleanroom, Terra will configure the appropriate number of AC units required for the space. With larger cleanrooms, Terra works with a local contractor to install a split A/C system, which moves the heat-generating compressor outside the building to reduce heat loads inside the facility.

    F2 - Humidification

    Terra’s Ultrasonic Humidifier is designed to be a turnkey system as an addition to your cleanroom. Simply place and rest the unit on an open 2’x4’ ceiling grid from above the cleanroom. No fasteners or gaskets are required to secure the unit in place. The system uses five ultrasonic transducers to generate mist and operates on only 150W, less power than conventional steam canister humidifiers. Humidification and dehumidification modules are controlled by a humidistat independent of the thermostat. The Ultrasonic Humidifier comes with a remote control to turn on the unit and set your desired RH levels (up to 100% RH).

    F3 - Dehumidification

    Cleanroom Dehumidification Modules use silica gel desiccant housed in a rotor to produce dry airflow.

    F4 - AC Module Interface

    Air Conditioning Modules provide economical cooling in facilities without adequate HVAC. Air Conditioning Modules incorporate dehumidification circuitry and are controlled by a humidistat independent of the thermostat. The unit includes a powder-coated steel air distribution plenum mounted to the external cleanroom wall, which provides conditioned air to up to six FFUs.

    Terra can provide custom HVAC modules that operate similarly to an environmental test chamber, adjusting the supply air's temperature and humidity to maintain specific conditions within tight tolerances. This type of system is particularly useful when the environment immediately outside of the cleanroom experiences significant fluctuations in temperature or relative humidity.

    G – Environmental Monitoring
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    Smart® Fan Filter Power & Control Panels centralize control over assignable groups or specific targets when conducting cleanroom pressure-balancing, troubleshooting, or maintenance. An upgraded Smart Control System allows additional environmental sensors and FFU control to meet critical performance/monitoring requirements. A control panel assembly includes power controls for the Fan/Filter Units, lights, and is configurable for other integrations including temperature, humidity, particle counts, differential pressure, and air velocity sensors.

    G1 - Temperature

    Terra's thermometers, hygrometers, and data recording instruments help monitor, control, and document environmental conditions in your cleanroom or laboratory. Temperature, dew point, and humidity monitoring are essential for products with known sensitivities to heat, environmental drift, static, or trace moisture. Terra Universal provides decades of field-proven expertise and a wide selection of thermometers and sensors for complete room monitoring.

    G2 - Humidity

    Many labs and cleanrooms choose to maintain a 30% RH level. Anything more than that may cause other issues, such as damage to moisture-sensitive materials. Every Terra cleanroom is available with integrated sensors and monitoring equipment for measuring and recording relative humidity values within the cleanroom.

    G3 - Differential Pressure

    Magnehelic® Differential Pressure Gauges monitor room-to-room pressure or filter back-pressure. Digital and alarm models are available for activating alerts when pressures fall out of specification.

    G4 - Particle Counting

    Particle counters are available as standalone handheld units for spot-checking and validation, or as built-in modules for remote monitoring after connection to a centralized building management system (BMS) such as MODBUS.

    H – Ventilation & Contaminate Control
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    H1 - False Ceiling Exhaust

    False Ceiling Exhaust: Use of a plenum mounted above the drop ceiling to divert air away from the work area. A false ceiling exhaust includes an array of ceiling-mounted reverse flow fan filter units. Reverse fan filter designs remove air from the work environment and port to an outside environment or dedicated HVAC exhaust. Reverse flow fan filter units mount to the ceiling grid and are available with integrated blowers, or with motorless designs for connection to a remote HVAC blower.

    H2 - False Floor Exhaust (Complete Laminarity)

    False Floor Exhaust: Raised grated or air-permeable flooring with bottom plenum underneath to achieve full airflow laminarity. False floor exhaust systems, also known as pass through floor exhausts, feature a grated flooring that provides unidirectional airflow and passage of contaminated air. Raised flooring is common for semiconductor applications and ideal for cleanroom classifications below ISO 5 to optimize vertical laminar flow.

    p - Floor-Mounted Exhaust

    Floor-Mounted Exhausts use side-wall plenums and floor-mounted air handlers to divert air away from the work area. The plenum is mounted directly to the frame and connects to ceiling ducts that exhaust air from the negative pressure room. Floor mount exhausts include internal airflow baffles to smooth corner flow and a pass vent at the bottom with an optional fixed position damper. Containment (negative pressure) rooms require customer furnished in-house exhaust systems capable of pulling the air volume required to create adequate negative pressure

    H4 - Biosafety Levels I & II

    Biosafety Level 1 is specified as work with well-characterized agents that are known to cause disease in healthy, non-immunocompromised adults. Special containment practices and devices are generally not required, but institutional laboratory practices must be implemented to reduce risk to laboratory personnel.

    Biosafety Level 2 is specified as work that poses moderate hazards to personnel and the environment. Research or diagnostic activities that are administered with pathogenic bacteria, such as Staphylococcus aureus or Salmonella, fall into this category. This Biosafety Level builds upon Biosafety Level 1; all of the precautions and practices spelled out in Biosafety Level 1 must be followed in addition to those found in Biosafety Level 2. Special containment practices and devices are generally required to mitigate risk to laboratory personnel.

    I – Upgraded Features
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    I1 - Ion Bars

    Ionization bars neutralize electrostatic charges, a common requirement for mixing, packaging, or high-speed assembly lines. Static ionizing bars remove errant charges and have special importance for products with insulative properties.

    I2 - Air Curtains

    Air curtains produce a jetstream of ULPA Class 10 micro-filtered air at the entry and exit points of a controlled environment. Air curtains are ideal when doors are frequently opened or for doorless entryways. Operating modes include either motion sensor activation with adjustable delay or continuous operation.

    I3 - Uninterrupted Power Supply

    An uninterrupted power supply (UPS) is only used to maintain power in the cleanroom for a brief time during an unanticipated power outage. A UPS guarantees uninterrupted visibility inside a cleanroom in the event of power loss and provides power for one light (LED or fluorescent) for one hour.

    I4 - Cleanroom Emergency Lights

    The cleanroom emergency light is an LED light with a backup battery that will remain on during a power outage so employees can see well enough to shut down operations, secure any sensitive products, and evacuate safely in the case that power cannot be immediately restored.

    The LED light has a red/green indicator to inform employees after power has returned and the cleanroom is safe to re-enter. When receiving power, the light both operates normally and charges the emergency battery.

    I5 - Germicidal UV Lights

    UV sanitizing modules affix to the cleanroom ceiling grid to neutralize bacteria, viruses, and mold spores. UV light is particularly effective when targeting resistant bacteria, mold/fungal spores, and gram-negative microbes. The UV-C Germicidal Lamps install on a cleanroom ceiling grid for line-of-sight room disinfection. A safety occupancy sensor switches off the UVC lighting to prevent radiation exposure when occupied.

    I6 - Fire Detection System

    Terra provides fire detection and suppression systems ideal for wet benches, exhaust fume lines, and locations involving volatile chemicals. Terra cleanrooms support traditional sprinkler and heat sensor configurations or CO2-based suppression systems. The FS System 7 is an integrated fire detection and CO2 suppression system that includes electro-optical sensors for detecting any type of hydrocarbon or non-hydrocarbon fire, even through gas or vapor. A dual-stage alarm triggers an early warning for fires too small to be sensed by overhead sprinklers. An intelligent multi-stage response system prevents the damaging effects of fire suppression in the case that a small fire self-extinguishes or is suppressed rapidly. Terra engineers work with you to determine the fire suppression system appropriate for your requirements and local fire codes.

    I7 - Fingerprint Scanner

    Biometric fingerprint scanners prevent unauthorized access via shared keys or passwords while also providing data logging capability. An integrated proximity card reader enables two-factor authentication.

    I8 - Iris Scanner

    Fully automated iris scanner for secure, hands-free access (includes data logging and optional secondary keycard reader).

    I9 - Keycard Reader

    Keycard readers provide a durable and economical method for maintaining secured keycard access within a cleanroom facility. The low-profile device reads cards up to 3" away and integrates with access control software for data logging and remote monitoring.

    I10 - Pass Through

    General-Use Pass-Through Chambers are an economical choice for non-sterile items with a low risk of cross-contamination potential including samples, fluids, tools, packaging, or documents.

    ValuLine™ Pass-Through Chambers are configurable with economical black acrylic, chemical resistance polypropylene, or stainless steel for unmatched cleanliness and durability within cleanrooms.

    BioSafe® Pass-Through chambers with continuous seam welds eliminate hard-to-clean cracks and crevices that can harbor particles and germs. CleanSeam™ design conceals the door interlock mechanism behind the chamber’s wall for a completely unobstructed, easy-to-clean chamber interior.

    I11 - Talk Through

    Communication and vocal clarity are critical for successful outcomes within cleanrooms, laboratory, and hospital isolation environments. Mechanical and electronic talkthroughs allow easier communication between internal partitions or outside areas of the cleanroom. Both the mechanical and electronic talk throughs include cleanroom-grade components and are easy to mount in either a stick-built cleanroom wall or Terra hardwall modular cleanroom.

    I12 - Interlocking Doors

    Interlocking doors are common for passthrough chambers and air showers. The interlock prevents doors on either side of the enclosure from opening at the same time. Single side access helps to maintain airflow cascades between rooms of differing pressure and limits room pressure loss after opening and closing of doors.

    J – Services
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    J1 - Cleanroom Installation

    Terra Universal is one of few cleanroom manufacturers to provide in-house engineering, in-house design services, and in-house component manufacturing from a single source. While most contractors rely on external engineering teams for drafting and floorplanning, Terra reduces layers of communications and simplifies facility planning and construction to a single point of contact. If requirements change, our modular design allows you to add filters, lighting, ionization, or additional floor space—all at a fraction of the cost you'd face with other systems.

    J2 - White Glove Delivery

    Terra Universal provides specialized freight service on a per-project basis. Extended delivery options include inside delivery and delivery after business hours. Terra is committed to ensuring the timely and safe delivery of your product. Terra provides product on-site placement and assembly services for facilities that lack the necessary equipment or expertise during the installation and startup process. Our shipment consolidation services provide our customers extended control over shipment and delivery dates by streamlining pickup and delivery times. In-transit freight consolidation ensures pickup and shipment of items at prespecified times. Items are transported from the factory as needed or held at a consolidation terminal for later delivery to the end destination within a prespecified time window.

    J3 - FasTrak Expedited Production

    Terra's FasTrak limited guarantee is to ship on or before the date specified or to refund up to 100% of FasTrak charges on the client's approved request. This guarantee does NOT cover direct, special, consequential, or other damages and is strictly limited to 100% of the amount paid for FasTrak service.

    J4 - Cleanroom Certification

    Terra Universal is the leading expert in the design and fabrication of critical environment applications. Terra offers end-to-end certification and testing services for cleanrooms, hoods, glove box isolators, biosafety cabinets, and lab equipment. Services include HEPA leak testing, airflow velocity, airborne particle counting, room pressurization, airflow visualization, ASHRAE 110, and volatile organic compound testing.

    J5 - Cleanroom Equipment Validation (IQ/OQ/PQ)

    Terra Universal provides comprehensive, turnkey equipment validation packages on a per-project basis. Contact your Terra Universal product specialist to discuss project-specific requirements with our validation engineering team.

    Services include:

    • Installation Qualification
    • Olierational Qualification
    • lierformance Qualification
    • Construction Qualification
    • Factory Accelitance Testing
    • Site Accelitance Testing
    • User Requirement Sliecification
    • Statement of Work
    • Feasibility Study

    J6 - Decontamination and Cleaning

    The Terra Universal network includes trusted vendors for deep micro-cleaning after commissioning and regular cleaning services on a monthly, weekly, or as-needed basis. Through our critical environment cleaning professionals and the use of innovative technology, we make certain your cleanroom environment meets or exceeds the industry’s highest regulations for contamination control, maintenance and safety. We offer comprehensive decontamination service packages for a multiverse of cleanroom applications, gown rooms, vivariums, biomedical facilities, laboratories, and cold/dry rooms.

    J7 - USP <797> Consultation

    Terra Universal provides uncompromising informational and consultative support for USP 797 and USP 800 compliance. If applicable, Terra will offer a 60-minute phone call with staff compounding pharmacist (CPHA Policy Committee member) Dr. Chris Munoz. Terra USP compounding suites include (as requested) custom cleanroom drawings outlining dimensions, layout, and placement of HEPA filters.

    Due to high demand for this consultation and the scope of service provided, Terra must require an up-front consultation fee that will be applied to the purchase of a Terra USP cleanroom; however, even those who do not purchase from Terra will receive cost-saving guidance far exceeding the price of this bundle.

    J8 - Seismic Structural Analysis

    Terra’s modular cleanrooms are designed with seismic safety in mind. Rigid steel frames and ceiling grids are designed with sufficient factors of safety to provide vertical and lateral strength recommended by professional engineers. Both hardwall and softwall designs can be installed to adhere to local seismic codes. Optional seismic and structural calculations can be drafted and stamped by a licensed PE to help meet municipal permitting requirements.

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  4. Sturdy, adjustable shelving solutions from Terra, Metro and Eagle keep your work space clean and organized; select models are corrosion resistant and have antimicrobial coatings

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  5. Cleanroom and laboratory tables, benches, and workstations meet critical requirements for ISO 5 compatibility, chemical resistance, and ergonomics

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  6. Cleanroom storage systems include laminar flow cabinets that meet ISO 5 requirements, chemical storage cabinets, and specialized models designed for unique requirements

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  7. Disposable cleanroom garments shield personnel and product from contaminants; non-woven materials limit lint generation, and economical pricing allows garment disposal

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  8. Environmental Test Chambers, Growth Chambers, and Stability Chambers by Thermo Fisher Scientific and BinderTest Chamber Features Overview
    Large capacity incubator

    Special FeaturesInterior Chamber MaterialApplicationCapacityVoltageMaximum TemperatureBinder KBWF Humidity Test ChamberBinder MK Climate ChamberBinder KBW Growth ChamberrBinder KBF LQC Humidity Test ChamberBinder KBF P Humidity Test ChamberBinder MKF Climate ChamberThermo Fisher Precision Plant Growth ChamberThermo Fisher Forma 3960 Test ChamberBinder KMF Humidity Test ChamberThermo Fisher Forma Environmental ChamberBinder KBF Humidity Test Chamber

    What is an Environmental Test Chamber Used For?

    Environmental test chambers are designed to maintain user-specified atmospheric conditions, through temperature, humidity, airflow, and light cycling controls, for stability and shelf-life testing of pharmaceuticals, cosmetics, raw materials or food products.

    Test Chamber Guidelines and Standards

    The guidelines for product stability testing are published by the International Council for Harmonization of Technical Requirements for Pharmaceuticals for Human Use, or ICH. The ICH’s guidelines define acceptable temperature and humidity ranges, deviations from setpoints, length of testing intervals, and uniformity across the internal chamber.

    Stability Test Chamber Construction Material

    Depending upon the intended use of the product, stability testing durations may range from several days to one year. As such, environmental test chambers are built with durable painted-steel exteriors and aseptic, rigid stainless steel interiors to handle the rigors of long-term testing.

    Testing Chamber Airflow

    To ensure optimal uniformity across the testing area, environmental testing chambers are designed with horizontal laminar airflow systems that include a positive-pressure feed plenum on one side of the chamber and a negative-pressure return plenum on the opposite side.

    Read More: Environmental Test Chambers 101

    A - Environmental Test Chamber Application
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    Environmental test chambers are designed for four primary applications: humidity chambers, climate test chambers, photostability chambers, and growth chambers. Humidity chambers are designed to control temperatures from ambient to, most commonly, 70°C and humidity levels from 10% to 98% RH.

    Humidity test chambers include cooling coils to reduce the internal temperature down to refrigerated levels (4°C). Climate test chambers offer a broader temperature range than humidity test chambers, normally -40°C to 180°C, to simulate extreme environmental conditions.

    Photostability chambers include UV and fluorescent lights to expose pharmaceutical or cosmetic samples to differing lumen dosages.

    Plant Growth chambers control temperature and humidity to simulate optimal growth conditions for plant organisms, like Arabidopsis, or seed germination studies.

    General Protocol

    Growth

    Humidity

    Refrigerated

    B - Maximum Test Chamber Temperature
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    Standard environmental test chambers maintain temperatures from ambient to 70°C, though certain models utilize cooling coils to reduce temperatures down to 4°C.

    Growth chambers are designed to simulate optimal germination conditions for seeds and plant organisms and, thus, cannot maintain temperatures above 50°C.

    Climate testing chambers offer the broadest temperature range in the industry, commonly -40°C to 180°C.

    Climate Control Chambers

    Environmental Testing Chambers

    Plant Growth Chambers

    C - Environmental Test Chamber Size and Capacity
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    Environmental test chambers are manufactured to a standard range of sizes based on sample storage capacity.

    Compact, low-throughput models provide 2 cubic feet or 4 cubic feet of storage space, whereas high-throughput, free-standing units provide up to 29 cubic feet of storage space.

    Standard test chambers include adjustable shelves installed on steel racks to maximize sample storage capacity within the internal chamber.

    Given the side-mounted plenums external to the inside chamber space, the working footprint of the test chamber is significantly larger than the storage capacity.

    12 to 24 cubic feet

    <12 cubic feet

    >24 cubic feet

    D - Environmental Test Chamber Voltage
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    120-volt connections are suitable for standard laboratory power outlets in the United States.

    240-volt connections, common in Mainland Europe, require less current (amperage) and smaller conductors than equipment designed to operate at 120-volt.

    Specialty high-voltage equipment requires 480-volt connections and carries additional protection against electrical hazards.

    E - Environmental Chamber Interior Material
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    Stainless steel is compatible with alcohol-based cleaners, resists corrosion, and promotes aseptic conditions. Powder-coated steel represents an economical alternative to stainless steel but may chip after prolonged exposure to bleach-based disinfectants.

    F - Special Environmental Test Chamber Features
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    F1 - Refrigerated Environmental Test Chambers ion

    Refrigerated test chambers maintain temperatures down to 4°C for shelf-life testing or stability testing of pharmaceuticals. Refrigerated models can also serve as short-term storage spaces for temperature-sensitive food products and raw materials.

    F2 - Humidity Control Test Chambers

    Humidity test chambers maintain RH levels from 10% to 98% per ICH guidelines. Visual and audible alarms activate if temperature or humidity conditions fall outside of the standard range.

    F3 - Diurnal Light Cycling Chambers for Plants

    Plant growth chambers contain fluorescent lighting for programmed daily light and dark (or day/night) cycles defined over a one-week period.

    F4 - Touchscreen Environmental Controller

    Ergonomic touchscreen controllers include time segmenting, real-time programming, data logging and export, system diagnostic testing, and audible/visual alarms.

    F5 - Light Dose Control for Testing Chambers

    Certain photostability chambers include light dosage control for UV-A and fluorescent, visible light per ICH guidelines.

    Where Can I Buy Environmental Test Chambers Online?

    Laboratory-Equipment.com is a specialty division of Terra Universal. For nearly 40 years, Terra Universal has served semiconductor, aerospace, life science, pharmaceutical, biotechnology, and medical device markets. Customers appreciate a worldwide network of reps, factory-direct support, and ready-to-ship items available from Terra's manufacturing and warehouse facilities in Fullerton, California.

    Shop Test Chambers Online to compare pricing, features, and selection for a wide variety of lab equipment including test chambers, dispersers, shakers, stirrers, and cold storage. Browse lab equipment for applications including general laboratory, plant growth, genetic research, novel strain development, PCR, DNA/RNA techniques, ELISA, protein analysis, and cell culture.

    Shop Environmental Testing Chamber Manufacturers

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  9. Configurable racks and storage cabinets provide clean, organized storage of cleanroom garments, booties, hoods and other apparel, along with cleanroom and laboratory supplies

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  10. Terra's Softwall Modular Cleanrooms use free-standing steel frames with cleanroom-grade vinyl panels; versatile design meets Class 100 requirements. Stocked models ship next day!Softwall Cleanroom Features Overview
    Air Flow DesignWall Panel MaterialFrame MaterialStandard ComponentsCompatible Cleanroom ClassAir ConditioningEnvironmental MonitoringVentilation & Contaminate ControlUpgraded FeaturesServices

    A - Air Flow Design
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    A1 - Laminar Flow/Positive Pressure

    Laminar flow air and positive pressure cleanroom design are ideal for non-hazardous, ultra-clean applications. Positive pressure mitigates dirt from entering the cleanroom when opening doors or pass-through chambers. Laminar airflow design ensures that air maintains a singular, uniform direction and velocity from intake to exhaust port. Terra's positive pressure cleanrooms include HEPA filtration systems capable of ISO Class 3 - ISO Class 8 air quality conditions. ULPA filtration units are available for the most sensitive ISO 3 - ISO 5 product applications including pharmaceutical compounding, semiconductor wafer processing, sterile packaging, and micro-nanofabrication.

    A2 - Laminar Flow/Negative Pressure

    A negative pressure laminar flow cleanroom is best suited for hazardous environments. Particularly, when the product is also sensitive or reactive to chemical, environmental, or particulate contamination. Negative pressure cleanrooms prevent the escape of toxic or hazardous air from the containment structure. Laminar airflow design ensures that air flows without interruption between intake and exhaust, which ensures that sterile or biologically sensitive samples remain pure and unadulterated. Terra's negative pressure cleanrooms provide capable and safe production environments for reducing operator hazards in high-risk applications such as USP 800 compounding, infectious disease research, and chemically intensive processes that require volatile chemical handling.

    Terra manufactures and designs cleanrooms to BSL-1 and BSL-2 criteria. Some operations that fall under BSL-2 may require single-pass air that is filtered before being exhausted to the outside; others may allow recirculation of air and release of unfiltered exhaust air.

    A3 - Ventilation/Negative Pressure

    Negative pressure ventilation rooms are designed for handling chemicals that produce toxic, carcinogenic, or noxious vapors. Reverse-flow FFUs capture particles generated in localized cleanroom spaces to minimize contamination and ensure operator protection. Vapor removal FFUs eliminate trace amounts of VOCs from make-up air to prevent chemical fume contamination. Depending on the application, a containment room may require exit filtration: either HEPA/ULPA filters for particles and aerosols and/or carbon filters to remove chemical fumes.

    A4 - Recirculation/Neutral Pressure

    A neutral pressure cleanroom system is designed to ventilate environmental nuisances away from the operator; it is not intended to provide personnel or environmental protection against hazardous substances. In some cases, the environment does not require any specific ISO-rated classification, thus the primary purpose is to isolate particulates and aerosols that would otherwise congregate in adjacent areas or corridors. If it is safe to do so, a recirculating cleanroom allows filtration and reintroduction of room air and reduces heating and energy costs. Neutral pressure is the least energy-intensive when compared to positive and negative pressure designs. Recirculating negative pressure cleanrooms are commonly selected for purity testing, weighing, capsulizing, and packaging pharmaceutical powders.

    A5 - Horizontal Flow/Positive Pressure

    Horizontally configured cleanrooms are advantageous when vertical space and ceiling access is limited or extra tall ceiling requirements. Ceiling height is an important consideration for cleanroom design, especially for large objects found within aerospace, satellite, and telescope manufacturing environments. Horizontal flow cleanrooms introduce air from fan filter units mounted within sidewalls instead of traditional ceiling-mounted blowers. Air moves in parallel with the floor instead of perpendicularly. Air flows from a side-wall integrated with HEPA fan filter units and exits through a parallel wall with an integrated plenum for air return or exhaust. Wall-to-wall laminar airflow is advantageous when handling small parts and liquids which would otherwise be problematic for vertical floor cleanrooms with grated false-flooring.

    B - Wall Panel Material
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    B1 - Stainless Steel

    Stainless steel is a golden standard among cleanroom construction materials. Easy cleaning, favorable heat properties, and chemical resistance make stainless an ideal choice for biopharmaceutical and semiconductor environments. The smooth surface is easy to wipe down, resists biofilm buildup, and will not off-gas.

    B2 - Powder-Coated Steel

    Powder-coated steel is an economical choice that also provides favorable heat and chemical resistance for most applications. Terra’s signature white powder coat finish provides a high quality, durable barrier to protect against corrosion, plus a clean and attractive aesthetic. The advanced heat-fused formulation exceeds ASTM and ISO paint standards to resist chipping, scratching, fading, and wearing.

    B3 - Acrylic

    Acrylic is widely used in cleanrooms and other critical environment applications. Its low initial cost, lightweight, transparency, and tensile strength makes it an attractive choice in many situations. Terra offers economical acrylic enclosures as a budget-friendly option. While acrylic is fairly durable against UV light and impact-resistant, the material is easily degraded by alcohols and solvents.

    B4 - Static Dissipative PVC

    Static-Dissipative PVC comes in rigid or flexible material for use on hardwall cleanroom panels or cleanroom curtains, dust covers, microenvironments, and other applications requiring a softer material. Non-dissipative plastics quickly accumulate surface charges that attract contaminants. Dissipative plastics prevent static build-up that attracts airborne particulate and lint fibers, which makes surfaces easier to wipe down. Static-dissipative PVC (SD-PVC) will not hold a static charge, offers wide chemical compatibility, and cleans easily. SD-PVC retains a surface resistivity of 10^6 - 10^8 ohms/square indefinitely unlike spray-on coatings that can wear off after a few years. SD-PVC also resists alcohol and most other sterilizing solutions, thus supporting standard disinfecting procedures and extending the life of your enclosure.

    B5 - Polycarbonate

    Polycarbonate is transparent with a slight gray tint and offers broad-spectrum chemical resistance, high impact resistance, and excellent thermal resistance (to 200°F / 93.3°C). Polycarbonate is stronger and cracks less easily than both acrylic (15x stronger) and glass (250x stronger).

    B6 - Polypropylene

    Polypropylene is an opaque thermoplastic with excellent chemical resistance against acids and solvents.

    B7 - Chlorinated PVC (C-PVC)

    Cleanroom chlorinated polyvinyl chloride (C-PVC) wall panels are tested and certified to meet ISO 5 – 8 cleanliness standards. These compressed panels have excellent chemical resistance and prevent particle emission and microbial growth. Their unique solvent-free silicone adhesive allows installation on wallboard substrate creating a strong, rigid structure when mounted to Terra’s steel frame. Welded seams are trim-free, without cracks or gaps. Optional PVC coving is available for floors and corners to further simplify cleaning.

    B8 - Fiberglass Reinforced Plastic (FRP)

    Class A and C FRP panels feature a unique non-outgassing advanced polymer adhesive for installation on drywall or other substrates. A specialized seam sealant provides trim-free seams that expand and contract to accommodate temperature-induced dimensional changes without creating cracks or gaps. A patented surfacing technology seals panels uniformly to enhance durability and prevent particle emission and microbial growth.

    B9 - Tempered Glass

    Tempered cleanroom glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass. Tempered glass is not only impact resistance, but also ideal for its high visual clarity and aesthetic. Glass wall cleanrooms allow easy monitoring of operators and processes within the cleanroom and tend to appear larger and more spacious. Tempered glass is non-outgassing and chemical-resistant, making it ideal for frequent decontamination.

    B10 - Vinyl Curtains

    Cleanroom vinyl curtains are lightweight and rapidly installable for creating room partitions, isolating equipment and processes, or mobile isolation when configured with wheel casters. Curtain strips are available in either 4' -wide softwall panels made of blur-free 40 mil vinyl or 8” -wide strip curtains made of blur-free 60 mil vinyl. Static-Dissipative PVC vinyl includes built-in static inhibitors and is recommended for all cleanrooms to minimize particle cling. A T-Grid Mounting System allows suspension of curtains or strip shields from Terra's cleanroom ceiling grid.

    B11 - Modesty Panels

    Modesty panels provide the combined benefits of natural light while also maintaining a degree of privacy. These panels are ideal for multi-level cleanroom mezzanines that require additional office space or unclassified storage. Modesty panels include an opaque lower panel and upper panel of transparent glass or cleanroom-rated plastic such as polycarbonate or static dissipative PVC. A solid lower panel provides a balance of privacy while the transparent window allows the introduction of natural light and tends to make the space appear larger and less constricted.

    B12 - Insulated Panels

    A double-wall, insulated wall panel promotes a stable environment for long-term sample storage, cell cultivation, or high-volume process equipment. Terra's double-wall insulated panels are adaptable to the customer’s temperature range specifications and application requirements including cold rooms, incubation, and sound isolation. Double-wall construction with 1”-thick polyurethane insulation enhances cleanroom heating/cooling efficiency and thermal stability. Rigid foam insulation paired with a climate control system provides better temperature stability for applications that require raised flooring for true laminar flow. Double-wall structure allows air to circulate through the inter-wall plenum which further increases filtration and A/C efficiency in high-performance applications.

    B13 - Center-Mount Panels With Mirror-Finish Steel Brackets

    Most of Terra’s competitors affix the cleanroom wall panels directly to the frame (mounted on the internal or external side of the frame. With this design, replacing cleanroom wall panels is a cumbersome task and requires cleanroom shutdown. If the panels are affixed externally to the frame, installing coved flooring is virtually impossible and the customers are tasked with sterilizing the frame along with all of its crevices. If the panels are mounted internally, the customer loses precious cleanroom space. If the flooring is coved to the internal panels, the customer loses even more space. Terra’s center-mount panel design alleviates these issues.

    C - Frame Material
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    C1 - Stainless Steel (<20% or -5" Hg)

    Unlike most competitors who offer only aluminum extruded frames, Terra Universal provides steel and stainless steel frame materials that maintain structural integrity far longer than aluminum under fire conditions. Terra Universal’s BioSafe stainless steel cleanrooms may be ideal for sterile applications since they are not affected by harsh wash-down chemicals.

    Double-Wall Steel Panels
    Double-wall panels, available in 304/316 stainless or powder-coated steel, create a freestanding structure for affixing a ceiling grid. Each panel consists of an inside and outside portion, which are joined by a compression ball-and-socket fastener. Once joined, the walls can be detached by means of magnetic-grip handles (not included). The hollow space created by these panels provides a convenient installation zone for electrical conduit, gas, and vacuum service line enhancing systems, cleanliness, and appearance. In controlled temperature applications, this void may be insulated to optimize thermal stability and reduce energy costs.

    All Steel BioSafe Cleanrooms
    Terra’s all-steel BioSafe® Modular Cleanroom creates a rigid, self-supporting structure without a separate frame or external bracing, a key advantage over other designs that require special permitting and contractor installation.

    316L Stainless steel contains the same corrosion-resistant materials as 316 but includes the added benefit of lower carbon content—eliminating the opportunity for excessive metallic contamination and making cracking less likely. Both 316 and 316L can withstand chlorides and chlorinated solutions, such as Spor-Klenz® and Isopropyl Acetate.

    C2 - Powder-Coated Steel

    Terra's powder-coated steel cleanroom frames support free-standing softwall spans of up to 20 feet without internal posts or ceiling suspension cables. If necessary, reinforcements are provided for high-clearance, long-span rooms. Reinforcements ensure stability and additional seismic requirements for particle-sensitive samples and analytical instruments.

    • Excellent for cleanroom applications
    • Good weather resistance
    • Good mechanical properties
    • Good chemical resistance
    • Excellent UV protection
    • Good storage stability
    • Underwriter Laboratories recognized component (UL approved)

    D – Standard Components
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    D1 - Filter Fan Units (FFUs)

    Terra’s WhisperFlow® FFU’s feature UL-listed components and built-in baffles that quietly produce uniform laminar airflow across the face of the filter. UL-listed products meet the highest manufacturing standards and reduce the risk of damage, injuries, and electrical hazards.

    Smart® Fan Filter Units with EC Motors provide annual energy savings of nearly $500 per fan filter unit. The control card features industry-standard MODBUS® networking, precision speed control (1-100%), and closed-loop control capability for air pressure, airflow, and particle count sensors.

    Terra fan filter unit housings are configurable for room-side replaceable, explosion-proof, heated, and low-profile configurations. The same high performance fan filter units are found throughout Terra products including cleanrooms, laminar flow hoods, and containment systems. Filter fan units are stocked, pre-tested, crated, and ready for immediate shipment from Terra's distribution centers.

    D2 - LED Lights

    Terra's LED flat panel troffer lights include dimmable brightness and 5 selectable color temperatures to achieve the perfect balance of light including 3000K / 3500K / 4000K / 5000K / 6500K. When paired with Terra's cleanroom control panels, lighting control is available from a centralized location out of the cleanroom. Terra's power distribution modules (PDMs) allow connection of lighting and fan filter via quick connections that do not require hardwiring. LED panels are available with integrated backup batteries that allow for up to an hour of continued visibility in the case of a power failure.

    D3 - Control Panels

    Cleanroom Control Panels centralize control of cleanroom lighting, power, fan speed, and assignable groups.

    Standard Control Panels provide central control and connection of lights and filters. A Fan Filter Replacement Alarm provides a reliable, quantitative method for determining when a HEPA filter requires replacement. An optional Night Service Switch drops all Fan/Filter Units (FFUs) into a low-energy mode for nights and weekends.

    Smart® Control Panels connect to EC FFUs for individual or grouped fan control and remote monitoring of room differential pressure, particle counts, temperature, and humidity. Robust systems offer advanced control for up to 200 fan filter units and 16 independently controlled rooms.

    D4 - Power Distribution Modules (PDMs)

    PDMs allow the addition of ceiling fan/filter units and lights to meet any cleanliness requirement or to upgrade ISO levels or lighting levels after installation. Terra’s PDMs use 3-pin or 4-pin quick connect fittings to power all FFUs, and lights, no matter the cleanroom size. Hardwiring is only required to connect the Primary, Secondary, Booster, and Duplex PDM modules. Because no additional hard wiring is required to connect and disconnect power to additional lights and fan filters, contractors save time, money, and resources during cleanroom installation, expansion, or modification.

    D5 - Doors

    Standard doors with aluminum frames are available in either single or double door configurations and a choice of acrylic or static-dissipative PVC panels.

    Swing doors are either Left Hand Reverse (LHR) or Right Hand Reverse (RHR) when viewed from outside the cleanroom (dirty side) to minimize particulate impact on the cleanroom when the door opens.

    Cleanroom doors on prehung frames install easily for negative or positive pressure cleanrooms. Choose from swing-out or sliding doors that are UL leak-rated and suitable for ISO 4 - ISO 8 environments.

    BioSafe® 316L stainless steel doors have continuous seam welds for sterile and aseptic environments. Terra's BioSafe products forgo cracks and crevices known to harbor particles and microbes. Dual-pane, flush-mount windows minimize horizontal surfaces and crevices where contaminants collect.

    Fire-rated doors include insulated double stainless steel walls, wire-free construction, and a fire-rated glass-ceramic viewing window that is impact resistant.

    D6 - Windows

    Terra's cleanroom windows are compatible with any cleanroom wall material or thickness and designed for compliance within healthcare, pharmaceutical, and GMP manufacturing applications. These easy-to-clean, hygienic windows enhance the visibility of operations and foot traffic without jeopardizing GMP design standards.

    Flush-mount cleanroom windows easily and seamlessly install into modular and stick-built cleanrooms and labs. Developed specifically for aseptic requirements in bio-pharmaceutical and cGMP cleanrooms, these hygienic cleanroom windows bring more light and visibility to your workspace without compromising cleanliness requirements. Choose from easy-to-clean framed or frameless stainless steel designs. Fire-rated cleanroom window designs meet building code requirements to protect your employees, operations, and business.

    D7 - Filter Replacement Alarm System

    Fan filter replacement alarms provide automatic replacement alerts to avoid costly and unexpected operational interruptions. Alarms trigger an audible buzzer when differential pressure reaches an adjustable setpoint. Alarms provide a reliable method for establishing fan filter replacement intervals while also reducing the risk of electrical/fire hazards caused by overworked motors pushing against overloaded HEPA filters.

    BioSafe® cleanroom windows include compression fittings for fast, hardware-free installation. Framed and frameless designs are compliant with BSL-rated rooms and ISO 4-compliant spaces.

    Related: Cleanroom Window Types and Flushmount Advantages

    E – Compatible Cleanroom Class
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    ISO 14644-1 is a document issued by the International Standards Organization which classifies a controlled environment into six categories of air cleanliness. ISO 14644-1 supersedes previous standards for cleanroom testing and validation such as Federal Standard 209E (FS209E). While references to FS209E are still used, ISO 14644-1 is internationally endorsed for testing and validating a cleanroom that meets FDA, USP, GMP, CGMP, or EU standards. An ISO 14644-1 cleanroom is classified on a scale between ISO Class 3 to ISO Class 8. The ISO class for a particular room is determined for the entire room and not for individual components or materials.

    Terra hardwall and BioSafe cleanrooms are configurable for the cleanest ISO 3 - 5 applications including wafer fabrication, microelectronics, nanotechnology, and sterile or biologically sensitive processes. Most industries fall within ISO 6 - ISO 8 cleanroom requirements including medical devices, general manufacturing, electronics assembly, food/beverage, and particulate or aerosol enclosures. Terra's modular hardwall configurations are available in steel, stainless steel, and plastic panels for ISO 5 - ISO 8 spaces with precise particulate and climate control requirements. ValuLine Softwall Modular Cleanrooms configurations are economical for less intensive or non-classified environments and available with preconfigured and ready-to-ship options.

    F – Air Conditioning
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    F1 - Temperature

    Terra will work with a local HVAC contractor to provide an air control system that meets your cooling requirements and local codes. If the existing HVAC system cannot be used, Terra will provide the ducting and recirculation system that routes exhaust air to the compressor and delivers cool air to the ceiling FFUs in ample volume to maintain the desired air velocity inside the enclosure. Additional Cleanroom A/C Module provides economical cooling in facilities without adequate HVAC. Based on the cleanroom size, desired temperature, and heat dissipated inside the cleanroom, Terra will configure the appropriate number of AC units required for the space. With larger cleanrooms, Terra works with a local contractor to install a split A/C system, which moves the heat-generating compressor outside the building to reduce heat loads inside the facility.

    F2 - Humidification

    Terra’s Ultrasonic Humidifier is designed to be a turnkey system as an addition to your cleanroom. Simply place and rest the unit on an open 2’x4’ ceiling grid from above the cleanroom. No fasteners or gaskets are required to secure the unit in place. The system uses five ultrasonic transducers to generate mist and operates on only 150W, less power than conventional steam canister humidifiers. Humidification and dehumidification modules are controlled by a humidistat independent of the thermostat. The Ultrasonic Humidifier comes with a remote control to turn on the unit and set your desired RH levels (up to 100% RH).

    F3 - Dehumidification

    Cleanroom Dehumidification Modules use silica gel desiccant housed in a rotor to produce dry airflow.

    F4 - AC Module Interface

    Air Conditioning Modules provide economical cooling in facilities without adequate HVAC. Air Conditioning Modules incorporate dehumidification circuitry and are controlled by a humidistat independent of the thermostat. The unit includes a powder-coated steel air distribution plenum mounted to the external cleanroom wall, which provides conditioned air to up to six FFUs.

    Terra can provide custom HVAC modules that operate similarly to an environmental test chamber, adjusting the supply air's temperature and humidity to maintain specific conditions within tight tolerances. This type of system is particularly useful when the environment immediately outside of the cleanroom experiences significant fluctuations in temperature or relative humidity.

    G – Environmental Monitoring
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    Smart® Fan Filter Power & Control Panels centralize control over assignable groups or specific targets when conducting cleanroom pressure-balancing, troubleshooting, or maintenance. An upgraded Smart Control System allows additional environmental sensors and FFU control to meet critical performance/monitoring requirements. A control panel assembly includes power controls for the Fan/Filter Units, lights, and is configurable for other integrations including temperature, humidity, particle counts, differential pressure, and air velocity sensors.

    G1 - Temperature

    Terra's thermometers, hygrometers, and data recording instruments help monitor, control, and document environmental conditions in your cleanroom or laboratory. Temperature, dew point, and humidity monitoring are essential for products with known sensitivities to heat, environmental drift, static, or trace moisture. Terra Universal provides decades of field-proven expertise and a wide selection of thermometers and sensors for complete room monitoring.

    G2 - Humidity

    Many labs and cleanrooms choose to maintain a 30% RH level. Anything more than that may cause other issues, such as damage to moisture-sensitive materials. Every Terra cleanroom is available with integrated sensors and monitoring equipment for measuring and recording relative humidity values within the cleanroom.

    G3 - Differential Pressure

    Magnehelic® Differential Pressure Gauges monitor room-to-room pressure or filter back-pressure. Digital and alarm models are available for activating alerts when pressures fall out of specification.

    G4 - Particle Counting

    Particle counters are available as standalone handheld units for spot-checking and validation, or as built-in modules for remote monitoring after connection to a centralized building management system (BMS) such as MODBUS.

    H – Ventilation & Contaminate Control
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    H1 - False Ceiling Exhaust

    False Ceiling Exhaust: Use of a plenum mounted above the drop ceiling to divert air away from the work area. A false ceiling exhaust includes an array of ceiling-mounted reverse flow fan filter units. Reverse fan filter designs remove air from the work environment and port to an outside environment or dedicated HVAC exhaust. Reverse flow fan filter units mount to the ceiling grid and are available with integrated blowers, or with motorless designs for connection to a remote HVAC blower.

    H2 - False Floor Exhaust (Complete Laminarity)

    False Floor Exhaust: Raised grated or air-permeable flooring with bottom plenum underneath to achieve full airflow laminarity. False floor exhaust systems, also known as pass through floor exhausts, feature a grated flooring that provides unidirectional airflow and passage of contaminated air. Raised flooring is common for semiconductor applications and ideal for cleanroom classifications below ISO 5 to optimize vertical laminar flow.

    p - Floor-Mounted Exhaust

    Floor-Mounted Exhausts use side-wall plenums and floor-mounted air handlers to divert air away from the work area. The plenum is mounted directly to the frame and connects to ceiling ducts that exhaust air from the negative pressure room. Floor mount exhausts include internal airflow baffles to smooth corner flow and a pass vent at the bottom with an optional fixed position damper. Containment (negative pressure) rooms require customer furnished in-house exhaust systems capable of pulling the air volume required to create adequate negative pressure

    H4 - Biosafety Levels I & II

    Biosafety Level 1 is specified as work with well-characterized agents that are known to cause disease in healthy, non-immunocompromised adults. Special containment practices and devices are generally not required, but institutional laboratory practices must be implemented to reduce risk to laboratory personnel.

    Biosafety Level 2 is specified as work that poses moderate hazards to personnel and the environment. Research or diagnostic activities that are administered with pathogenic bacteria, such as Staphylococcus aureus or Salmonella, fall into this category. This Biosafety Level builds upon Biosafety Level 1; all of the precautions and practices spelled out in Biosafety Level 1 must be followed in addition to those found in Biosafety Level 2. Special containment practices and devices are generally required to mitigate risk to laboratory personnel.

    I – Upgraded Features
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    I1 - Ion Bars

    Ionization bars neutralize electrostatic charges, a common requirement for mixing, packaging, or high-speed assembly lines. Static ionizing bars remove errant charges and have special importance for products with insulative properties.

    I2 - Air Curtains

    Air curtains produce a jetstream of ULPA Class 10 micro-filtered air at the entry and exit points of a controlled environment. Air curtains are ideal when doors are frequently opened or for doorless entryways. Operating modes include either motion sensor activation with adjustable delay or continuous operation.

    I3 - Uninterrupted Power Supply

    An uninterrupted power supply (UPS) is only used to maintain power in the cleanroom for a brief time during an unanticipated power outage. A UPS guarantees uninterrupted visibility inside a cleanroom in the event of power loss and provides power for one light (LED or fluorescent) for one hour.

    I4 - Cleanroom Emergency Lights

    The cleanroom emergency light is an LED light with a backup battery that will remain on during a power outage so employees can see well enough to shut down operations, secure any sensitive products, and evacuate safely in the case that power cannot be immediately restored.

    The LED light has a red/green indicator to inform employees after power has returned and the cleanroom is safe to re-enter. When receiving power, the light both operates normally and charges the emergency battery.

    I5 - Germicidal UV Lights

    UV sanitizing modules affix to the cleanroom ceiling grid to neutralize bacteria, viruses, and mold spores. UV light is particularly effective when targeting resistant bacteria, mold/fungal spores, and gram-negative microbes. The UV-C Germicidal Lamps install on a cleanroom ceiling grid for line-of-sight room disinfection. A safety occupancy sensor switches off the UVC lighting to prevent radiation exposure when occupied.

    I6 - Fire Detection System

    Terra provides fire detection and suppression systems ideal for wet benches, exhaust fume lines, and locations involving volatile chemicals. Terra cleanrooms support traditional sprinkler and heat sensor configurations or CO2-based suppression systems. The FS System 7 is an integrated fire detection and CO2 suppression system that includes electro-optical sensors for detecting any type of hydrocarbon or non-hydrocarbon fire, even through gas or vapor. A dual-stage alarm triggers an early warning for fires too small to be sensed by overhead sprinklers. An intelligent multi-stage response system prevents the damaging effects of fire suppression in the case that a small fire self-extinguishes or is suppressed rapidly. Terra engineers work with you to determine the fire suppression system appropriate for your requirements and local fire codes.

    I7 - Fingerprint Scanner

    Biometric fingerprint scanners prevent unauthorized access via shared keys or passwords while also providing data logging capability. An integrated proximity card reader enables two-factor authentication.

    I8 - Iris Scanner

    Fully automated iris scanner for secure, hands-free access (includes data logging and optional secondary keycard reader).

    I9 - Keycard Reader

    Keycard readers provide a durable and economical method for maintaining secured keycard access within a cleanroom facility. The low-profile device reads cards up to 3" away and integrates with access control software for data logging and remote monitoring.

    I10 - Pass Through

    General-Use Pass-Through Chambers are an economical choice for non-sterile items with a low risk of cross-contamination potential including samples, fluids, tools, packaging, or documents.

    ValuLine™ Pass-Through Chambers are configurable with economical black acrylic, chemical resistance polypropylene, or stainless steel for unmatched cleanliness and durability within cleanrooms.

    BioSafe® Pass-Through chambers with continuous seam welds eliminate hard-to-clean cracks and crevices that can harbor particles and germs. CleanSeam™ design conceals the door interlock mechanism behind the chamber’s wall for a completely unobstructed, easy-to-clean chamber interior.

    I11 - Talk Through

    Communication and vocal clarity are critical for successful outcomes within cleanrooms, laboratory, and hospital isolation environments. Mechanical and electronic talkthroughs allow easier communication between internal partitions or outside areas of the cleanroom. Both the mechanical and electronic talk throughs include cleanroom-grade components and are easy to mount in either a stick-built cleanroom wall or Terra hardwall modular cleanroom.

    I12 - Interlocking Doors

    Interlocking doors are common for passthrough chambers and air showers. The interlock prevents doors on either side of the enclosure from opening at the same time. Single side access helps to maintain airflow cascades between rooms of differing pressure and limits room pressure loss after opening and closing of doors.

    J – Services
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    J1 - Cleanroom Installation

    Terra Universal is one of few cleanroom manufacturers to provide in-house engineering, in-house design services, and in-house component manufacturing from a single source. While most contractors rely on external engineering teams for drafting and floorplanning, Terra reduces layers of communications and simplifies facility planning and construction to a single point of contact. If requirements change, our modular design allows you to add filters, lighting, ionization, or additional floor space—all at a fraction of the cost you'd face with other systems.

    J2 - White Glove Delivery

    Terra Universal provides specialized freight service on a per-project basis. Extended delivery options include inside delivery and delivery after business hours. Terra is committed to ensuring the timely and safe delivery of your product. Terra provides product on-site placement and assembly services for facilities that lack the necessary equipment or expertise during the installation and startup process. Our shipment consolidation services provide our customers extended control over shipment and delivery dates by streamlining pickup and delivery times. In-transit freight consolidation ensures pickup and shipment of items at prespecified times. Items are transported from the factory as needed or held at a consolidation terminal for later delivery to the end destination within a prespecified time window.

    J3 - FasTrak Expedited Production

    Terra's FasTrak limited guarantee is to ship on or before the date specified or to refund up to 100% of FasTrak charges on the client's approved request. This guarantee does NOT cover direct, special, consequential, or other damages and is strictly limited to 100% of the amount paid for FasTrak service.

    J4 - Cleanroom Certification

    Terra Universal is the leading expert in the design and fabrication of critical environment applications. Terra offers end-to-end certification and testing services for cleanrooms, hoods, glove box isolators, biosafety cabinets, and lab equipment. Services include HEPA leak testing, airflow velocity, airborne particle counting, room pressurization, airflow visualization, ASHRAE 110, and volatile organic compound testing.

    J5 - Cleanroom Equipment Validation (IQ/OQ/PQ)

    Terra Universal provides comprehensive, turnkey equipment validation packages on a per-project basis. Contact your Terra Universal product specialist to discuss project-specific requirements with our validation engineering team.

    Services include:

    • Installation Qualification
    • Olierational Qualification
    • lierformance Qualification
    • Construction Qualification
    • Factory Accelitance Testing
    • Site Accelitance Testing
    • User Requirement Sliecification
    • Statement of Work
    • Feasibility Study

    J6 - Decontamination and Cleaning

    The Terra Universal network includes trusted vendors for deep micro-cleaning after commissioning and regular cleaning services on a monthly, weekly, or as-needed basis. Through our critical environment cleaning professionals and the use of innovative technology, we make certain your cleanroom environment meets or exceeds the industry’s highest regulations for contamination control, maintenance and safety. We offer comprehensive decontamination service packages for a multiverse of cleanroom applications, gown rooms, vivariums, biomedical facilities, laboratories, and cold/dry rooms.

    J7 - USP <797> Consultation

    Terra Universal provides uncompromising informational and consultative support for USP 797 and USP 800 compliance. If applicable, Terra will offer a 60-minute phone call with staff compounding pharmacist (CPHA Policy Committee member) Dr. Chris Munoz. Terra USP compounding suites include (as requested) custom cleanroom drawings outlining dimensions, layout, and placement of HEPA filters.

    Due to high demand for this consultation and the scope of service provided, Terra must require an up-front consultation fee that will be applied to the purchase of a Terra USP cleanroom; however, even those who do not purchase from Terra will receive cost-saving guidance far exceeding the price of this bundle.

    J8 - Seismic Structural Analysis

    Terra’s modular cleanrooms are designed with seismic safety in mind. Rigid steel frames and ceiling grids are designed with sufficient factors of safety to provide vertical and lateral strength recommended by professional engineers. Both hardwall and softwall designs can be installed to adhere to local seismic codes. Optional seismic and structural calculations can be drafted and stamped by a licensed PE to help meet municipal permitting requirements.

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  11. Gas and fire detectors, lab safety showers, and personnel protection gear reduce lab accidents and associated costs

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  12. Terra's BioSafe modular clean rooms meet biopharmaceutical requirements for an ISO 5-8 compliant, sterile processing environment. Designs for single-pass, recirculating, or negative-pressure containment airflow. BioSafe® Cleanroom Features Overview
    Air Flow DesignWall Panel MaterialFrame MaterialStandard ComponentsCompatible Cleanroom ClassAir ConditioningEnvironmental MonitoringVentilation & Contaminate ControlUpgraded FeaturesServices

    A - Air Flow Design
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    A1 - Laminar Flow/Positive Pressure

    Laminar flow air and positive pressure cleanroom design are ideal for non-hazardous, ultra-clean applications. Positive pressure mitigates dirt from entering the cleanroom when opening doors or pass-through chambers. Laminar airflow design ensures that air maintains a singular, uniform direction and velocity from intake to exhaust port. Terra's positive pressure cleanrooms include HEPA filtration systems capable of ISO Class 3 - ISO Class 8 air quality conditions. ULPA filtration units are available for the most sensitive ISO 3 - ISO 5 product applications including pharmaceutical compounding, semiconductor wafer processing, sterile packaging, and micro-nanofabrication.

    A2 - Laminar Flow/Negative Pressure

    A negative pressure laminar flow cleanroom is best suited for hazardous environments. Particularly, when the product is also sensitive or reactive to chemical, environmental, or particulate contamination. Negative pressure cleanrooms prevent the escape of toxic or hazardous air from the containment structure. Laminar airflow design ensures that air flows without interruption between intake and exhaust, which ensures that sterile or biologically sensitive samples remain pure and unadulterated. Terra's negative pressure cleanrooms provide capable and safe production environments for reducing operator hazards in high-risk applications such as USP 800 compounding, infectious disease research, and chemically intensive processes that require volatile chemical handling.

    Terra manufactures and designs cleanrooms to BSL-1 and BSL-2 criteria. Some operations that fall under BSL-2 may require single-pass air that is filtered before being exhausted to the outside; others may allow recirculation of air and release of unfiltered exhaust air.

    A3 - Ventilation/Negative Pressure

    Negative pressure ventilation rooms are designed for handling chemicals that produce toxic, carcinogenic, or noxious vapors. Reverse-flow FFUs capture particles generated in localized cleanroom spaces to minimize contamination and ensure operator protection. Vapor removal FFUs eliminate trace amounts of VOCs from make-up air to prevent chemical fume contamination. Depending on the application, a containment room may require exit filtration: either HEPA/ULPA filters for particles and aerosols and/or carbon filters to remove chemical fumes.

    A4 - Recirculation/Neutral Pressure

    A neutral pressure cleanroom system is designed to ventilate environmental nuisances away from the operator; it is not intended to provide personnel or environmental protection against hazardous substances. In some cases, the environment does not require any specific ISO-rated classification, thus the primary purpose is to isolate particulates and aerosols that would otherwise congregate in adjacent areas or corridors. If it is safe to do so, a recirculating cleanroom allows filtration and reintroduction of room air and reduces heating and energy costs. Neutral pressure is the least energy-intensive when compared to positive and negative pressure designs. Recirculating negative pressure cleanrooms are commonly selected for purity testing, weighing, capsulizing, and packaging pharmaceutical powders.

    A5 - Horizontal Flow/Positive Pressure

    Horizontally configured cleanrooms are advantageous when vertical space and ceiling access is limited or extra tall ceiling requirements. Ceiling height is an important consideration for cleanroom design, especially for large objects found within aerospace, satellite, and telescope manufacturing environments. Horizontal flow cleanrooms introduce air from fan filter units mounted within sidewalls instead of traditional ceiling-mounted blowers. Air moves in parallel with the floor instead of perpendicularly. Air flows from a side-wall integrated with HEPA fan filter units and exits through a parallel wall with an integrated plenum for air return or exhaust. Wall-to-wall laminar airflow is advantageous when handling small parts and liquids which would otherwise be problematic for vertical floor cleanrooms with grated false-flooring.

    B - Wall Panel Material
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    B1 - Stainless Steel

    Stainless steel is a golden standard among cleanroom construction materials. Easy cleaning, favorable heat properties, and chemical resistance make stainless an ideal choice for biopharmaceutical and semiconductor environments. The smooth surface is easy to wipe down, resists biofilm buildup, and will not off-gas.

    B2 - Powder-Coated Steel

    Powder-coated steel is an economical choice that also provides favorable heat and chemical resistance for most applications. Terra’s signature white powder coat finish provides a high quality, durable barrier to protect against corrosion, plus a clean and attractive aesthetic. The advanced heat-fused formulation exceeds ASTM and ISO paint standards to resist chipping, scratching, fading, and wearing.

    B3 - Acrylic

    Acrylic is widely used in cleanrooms and other critical environment applications. Its low initial cost, lightweight, transparency, and tensile strength makes it an attractive choice in many situations. Terra offers economical acrylic enclosures as a budget-friendly option. While acrylic is fairly durable against UV light and impact-resistant, the material is easily degraded by alcohols and solvents.

    B4 - Static Dissipative PVC

    Static-Dissipative PVC comes in rigid or flexible material for use on hardwall cleanroom panels or cleanroom curtains, dust covers, microenvironments, and other applications requiring a softer material. Non-dissipative plastics quickly accumulate surface charges that attract contaminants. Dissipative plastics prevent static build-up that attracts airborne particulate and lint fibers, which makes surfaces easier to wipe down. Static-dissipative PVC (SD-PVC) will not hold a static charge, offers wide chemical compatibility, and cleans easily. SD-PVC retains a surface resistivity of 10^6 - 10^8 ohms/square indefinitely unlike spray-on coatings that can wear off after a few years. SD-PVC also resists alcohol and most other sterilizing solutions, thus supporting standard disinfecting procedures and extending the life of your enclosure.

    B5 - Polycarbonate

    Polycarbonate is transparent with a slight gray tint and offers broad-spectrum chemical resistance, high impact resistance, and excellent thermal resistance (to 200°F / 93.3°C). Polycarbonate is stronger and cracks less easily than both acrylic (15x stronger) and glass (250x stronger).

    B6 - Polypropylene

    Polypropylene is an opaque thermoplastic with excellent chemical resistance against acids and solvents.

    B7 - Chlorinated PVC (C-PVC)

    Cleanroom chlorinated polyvinyl chloride (C-PVC) wall panels are tested and certified to meet ISO 5 – 8 cleanliness standards. These compressed panels have excellent chemical resistance and prevent particle emission and microbial growth. Their unique solvent-free silicone adhesive allows installation on wallboard substrate creating a strong, rigid structure when mounted to Terra’s steel frame. Welded seams are trim-free, without cracks or gaps. Optional PVC coving is available for floors and corners to further simplify cleaning.

    B8 - Fiberglass Reinforced Plastic (FRP)

    Class A and C FRP panels feature a unique non-outgassing advanced polymer adhesive for installation on drywall or other substrates. A specialized seam sealant provides trim-free seams that expand and contract to accommodate temperature-induced dimensional changes without creating cracks or gaps. A patented surfacing technology seals panels uniformly to enhance durability and prevent particle emission and microbial growth.

    B9 - Tempered Glass

    Tempered cleanroom glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass. Tempered glass is not only impact resistance, but also ideal for its high visual clarity and aesthetic. Glass wall cleanrooms allow easy monitoring of operators and processes within the cleanroom and tend to appear larger and more spacious. Tempered glass is non-outgassing and chemical-resistant, making it ideal for frequent decontamination.

    B10 - Vinyl Curtains

    Cleanroom vinyl curtains are lightweight and rapidly installable for creating room partitions, isolating equipment and processes, or mobile isolation when configured with wheel casters. Curtain strips are available in either 4' -wide softwall panels made of blur-free 40 mil vinyl or 8” -wide strip curtains made of blur-free 60 mil vinyl. Static-Dissipative PVC vinyl includes built-in static inhibitors and is recommended for all cleanrooms to minimize particle cling. A T-Grid Mounting System allows suspension of curtains or strip shields from Terra's cleanroom ceiling grid.

    B11 - Modesty Panels

    Modesty panels provide the combined benefits of natural light while also maintaining a degree of privacy. These panels are ideal for multi-level cleanroom mezzanines that require additional office space or unclassified storage. Modesty panels include an opaque lower panel and upper panel of transparent glass or cleanroom-rated plastic such as polycarbonate or static dissipative PVC. A solid lower panel provides a balance of privacy while the transparent window allows the introduction of natural light and tends to make the space appear larger and less constricted.

    B12 - Insulated Panels

    A double-wall, insulated wall panel promotes a stable environment for long-term sample storage, cell cultivation, or high-volume process equipment. Terra's double-wall insulated panels are adaptable to the customer’s temperature range specifications and application requirements including cold rooms, incubation, and sound isolation. Double-wall construction with 1”-thick polyurethane insulation enhances cleanroom heating/cooling efficiency and thermal stability. Rigid foam insulation paired with a climate control system provides better temperature stability for applications that require raised flooring for true laminar flow. Double-wall structure allows air to circulate through the inter-wall plenum which further increases filtration and A/C efficiency in high-performance applications.

    B13 - Center-Mount Panels With Mirror-Finish Steel Brackets

    Most of Terra’s competitors affix the cleanroom wall panels directly to the frame (mounted on the internal or external side of the frame. With this design, replacing cleanroom wall panels is a cumbersome task and requires cleanroom shutdown. If the panels are affixed externally to the frame, installing coved flooring is virtually impossible and the customers are tasked with sterilizing the frame along with all of its crevices. If the panels are mounted internally, the customer loses precious cleanroom space. If the flooring is coved to the internal panels, the customer loses even more space. Terra’s center-mount panel design alleviates these issues.

    C - Frame Material
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    C1 - Stainless Steel (<20% or -5" Hg)

    Unlike most competitors who offer only aluminum extruded frames, Terra Universal provides steel and stainless steel frame materials that maintain structural integrity far longer than aluminum under fire conditions. Terra Universal’s BioSafe stainless steel cleanrooms may be ideal for sterile applications since they are not affected by harsh wash-down chemicals.

    Double-Wall Steel Panels
    Double-wall panels, available in 304/316 stainless or powder-coated steel, create a freestanding structure for affixing a ceiling grid. Each panel consists of an inside and outside portion, which are joined by a compression ball-and-socket fastener. Once joined, the walls can be detached by means of magnetic-grip handles (not included). The hollow space created by these panels provides a convenient installation zone for electrical conduit, gas, and vacuum service line enhancing systems, cleanliness, and appearance. In controlled temperature applications, this void may be insulated to optimize thermal stability and reduce energy costs.

    All Steel BioSafe Cleanrooms
    Terra’s all-steel BioSafe® Modular Cleanroom creates a rigid, self-supporting structure without a separate frame or external bracing, a key advantage over other designs that require special permitting and contractor installation.

    316L Stainless steel contains the same corrosion-resistant materials as 316 but includes the added benefit of lower carbon content—eliminating the opportunity for excessive metallic contamination and making cracking less likely. Both 316 and 316L can withstand chlorides and chlorinated solutions, such as Spor-Klenz® and Isopropyl Acetate.

    C2 - Powder-Coated Steel

    Terra's powder-coated steel cleanroom frames support free-standing softwall spans of up to 20 feet without internal posts or ceiling suspension cables. If necessary, reinforcements are provided for high-clearance, long-span rooms. Reinforcements ensure stability and additional seismic requirements for particle-sensitive samples and analytical instruments.

    • Excellent for cleanroom applications
    • Good weather resistance
    • Good mechanical properties
    • Good chemical resistance
    • Excellent UV protection
    • Good storage stability
    • Underwriter Laboratories recognized component (UL approved)

    D – Standard Components
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    D1 - Filter Fan Units (FFUs)

    Terra’s WhisperFlow® FFU’s feature UL-listed components and built-in baffles that quietly produce uniform laminar airflow across the face of the filter. UL-listed products meet the highest manufacturing standards and reduce the risk of damage, injuries, and electrical hazards.

    Smart® Fan Filter Units with EC Motors provide annual energy savings of nearly $500 per fan filter unit. The control card features industry-standard MODBUS® networking, precision speed control (1-100%), and closed-loop control capability for air pressure, airflow, and particle count sensors.

    Terra fan filter unit housings are configurable for room-side replaceable, explosion-proof, heated, and low-profile configurations. The same high performance fan filter units are found throughout Terra products including cleanrooms, laminar flow hoods, and containment systems. Filter fan units are stocked, pre-tested, crated, and ready for immediate shipment from Terra's distribution centers.

    D2 - LED Lights

    Terra's LED flat panel troffer lights include dimmable brightness and 5 selectable color temperatures to achieve the perfect balance of light including 3000K / 3500K / 4000K / 5000K / 6500K. When paired with Terra's cleanroom control panels, lighting control is available from a centralized location out of the cleanroom. Terra's power distribution modules (PDMs) allow connection of lighting and fan filter via quick connections that do not require hardwiring. LED panels are available with integrated backup batteries that allow for up to an hour of continued visibility in the case of a power failure.

    D3 - Control Panels

    Cleanroom Control Panels centralize control of cleanroom lighting, power, fan speed, and assignable groups.

    Standard Control Panels provide central control and connection of lights and filters. A Fan Filter Replacement Alarm provides a reliable, quantitative method for determining when a HEPA filter requires replacement. An optional Night Service Switch drops all Fan/Filter Units (FFUs) into a low-energy mode for nights and weekends.

    Smart® Control Panels connect to EC FFUs for individual or grouped fan control and remote monitoring of room differential pressure, particle counts, temperature, and humidity. Robust systems offer advanced control for up to 200 fan filter units and 16 independently controlled rooms.

    D4 - Power Distribution Modules (PDMs)

    PDMs allow the addition of ceiling fan/filter units and lights to meet any cleanliness requirement or to upgrade ISO levels or lighting levels after installation. Terra’s PDMs use 3-pin or 4-pin quick connect fittings to power all FFUs, and lights, no matter the cleanroom size. Hardwiring is only required to connect the Primary, Secondary, Booster, and Duplex PDM modules. Because no additional hard wiring is required to connect and disconnect power to additional lights and fan filters, contractors save time, money, and resources during cleanroom installation, expansion, or modification.

    D5 - Doors

    Standard doors with aluminum frames are available in either single or double door configurations and a choice of acrylic or static-dissipative PVC panels.

    Swing doors are either Left Hand Reverse (LHR) or Right Hand Reverse (RHR) when viewed from outside the cleanroom (dirty side) to minimize particulate impact on the cleanroom when the door opens.

    Cleanroom doors on prehung frames install easily for negative or positive pressure cleanrooms. Choose from swing-out or sliding doors that are UL leak-rated and suitable for ISO 4 - ISO 8 environments.

    BioSafe® 316L stainless steel doors have continuous seam welds for sterile and aseptic environments. Terra's BioSafe products forgo cracks and crevices known to harbor particles and microbes. Dual-pane, flush-mount windows minimize horizontal surfaces and crevices where contaminants collect.

    Fire-rated doors include insulated double stainless steel walls, wire-free construction, and a fire-rated glass-ceramic viewing window that is impact resistant.

    D6 - Windows

    Terra's cleanroom windows are compatible with any cleanroom wall material or thickness and designed for compliance within healthcare, pharmaceutical, and GMP manufacturing applications. These easy-to-clean, hygienic windows enhance the visibility of operations and foot traffic without jeopardizing GMP design standards.

    Flush-mount cleanroom windows easily and seamlessly install into modular and stick-built cleanrooms and labs. Developed specifically for aseptic requirements in bio-pharmaceutical and cGMP cleanrooms, these hygienic cleanroom windows bring more light and visibility to your workspace without compromising cleanliness requirements. Choose from easy-to-clean framed or frameless stainless steel designs. Fire-rated cleanroom window designs meet building code requirements to protect your employees, operations, and business.

    D7 - Filter Replacement Alarm System

    Fan filter replacement alarms provide automatic replacement alerts to avoid costly and unexpected operational interruptions. Alarms trigger an audible buzzer when differential pressure reaches an adjustable setpoint. Alarms provide a reliable method for establishing fan filter replacement intervals while also reducing the risk of electrical/fire hazards caused by overworked motors pushing against overloaded HEPA filters.

    BioSafe® cleanroom windows include compression fittings for fast, hardware-free installation. Framed and frameless designs are compliant with BSL-rated rooms and ISO 4-compliant spaces.

    Related: Cleanroom Window Types and Flushmount Advantages

    E – Compatible Cleanroom Class
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    ISO 14644-1 is a document issued by the International Standards Organization which classifies a controlled environment into six categories of air cleanliness. ISO 14644-1 supersedes previous standards for cleanroom testing and validation such as Federal Standard 209E (FS209E). While references to FS209E are still used, ISO 14644-1 is internationally endorsed for testing and validating a cleanroom that meets FDA, USP, GMP, CGMP, or EU standards. An ISO 14644-1 cleanroom is classified on a scale between ISO Class 3 to ISO Class 8. The ISO class for a particular room is determined for the entire room and not for individual components or materials.

    Terra hardwall and BioSafe cleanrooms are configurable for the cleanest ISO 3 - 5 applications including wafer fabrication, microelectronics, nanotechnology, and sterile or biologically sensitive processes. Most industries fall within ISO 6 - ISO 8 cleanroom requirements including medical devices, general manufacturing, electronics assembly, food/beverage, and particulate or aerosol enclosures. Terra's modular hardwall configurations are available in steel, stainless steel, and plastic panels for ISO 5 - ISO 8 spaces with precise particulate and climate control requirements. ValuLine Softwall Modular Cleanrooms configurations are economical for less intensive or non-classified environments and available with preconfigured and ready-to-ship options.

    F – Air Conditioning
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    F1 - Temperature

    Terra will work with a local HVAC contractor to provide an air control system that meets your cooling requirements and local codes. If the existing HVAC system cannot be used, Terra will provide the ducting and recirculation system that routes exhaust air to the compressor and delivers cool air to the ceiling FFUs in ample volume to maintain the desired air velocity inside the enclosure. Additional Cleanroom A/C Module provides economical cooling in facilities without adequate HVAC. Based on the cleanroom size, desired temperature, and heat dissipated inside the cleanroom, Terra will configure the appropriate number of AC units required for the space. With larger cleanrooms, Terra works with a local contractor to install a split A/C system, which moves the heat-generating compressor outside the building to reduce heat loads inside the facility.

    F2 - Humidification

    Terra’s Ultrasonic Humidifier is designed to be a turnkey system as an addition to your cleanroom. Simply place and rest the unit on an open 2’x4’ ceiling grid from above the cleanroom. No fasteners or gaskets are required to secure the unit in place. The system uses five ultrasonic transducers to generate mist and operates on only 150W, less power than conventional steam canister humidifiers. Humidification and dehumidification modules are controlled by a humidistat independent of the thermostat. The Ultrasonic Humidifier comes with a remote control to turn on the unit and set your desired RH levels (up to 100% RH).

    F3 - Dehumidification

    Cleanroom Dehumidification Modules use silica gel desiccant housed in a rotor to produce dry airflow.

    F4 - AC Module Interface

    Air Conditioning Modules provide economical cooling in facilities without adequate HVAC. Air Conditioning Modules incorporate dehumidification circuitry and are controlled by a humidistat independent of the thermostat. The unit includes a powder-coated steel air distribution plenum mounted to the external cleanroom wall, which provides conditioned air to up to six FFUs.

    Terra can provide custom HVAC modules that operate similarly to an environmental test chamber, adjusting the supply air's temperature and humidity to maintain specific conditions within tight tolerances. This type of system is particularly useful when the environment immediately outside of the cleanroom experiences significant fluctuations in temperature or relative humidity.

    G – Environmental Monitoring
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    Smart® Fan Filter Power & Control Panels centralize control over assignable groups or specific targets when conducting cleanroom pressure-balancing, troubleshooting, or maintenance. An upgraded Smart Control System allows additional environmental sensors and FFU control to meet critical performance/monitoring requirements. A control panel assembly includes power controls for the Fan/Filter Units, lights, and is configurable for other integrations including temperature, humidity, particle counts, differential pressure, and air velocity sensors.

    G1 - Temperature

    Terra's thermometers, hygrometers, and data recording instruments help monitor, control, and document environmental conditions in your cleanroom or laboratory. Temperature, dew point, and humidity monitoring are essential for products with known sensitivities to heat, environmental drift, static, or trace moisture. Terra Universal provides decades of field-proven expertise and a wide selection of thermometers and sensors for complete room monitoring.

    G2 - Humidity

    Many labs and cleanrooms choose to maintain a 30% RH level. Anything more than that may cause other issues, such as damage to moisture-sensitive materials. Every Terra cleanroom is available with integrated sensors and monitoring equipment for measuring and recording relative humidity values within the cleanroom.

    G3 - Differential Pressure

    Magnehelic® Differential Pressure Gauges monitor room-to-room pressure or filter back-pressure. Digital and alarm models are available for activating alerts when pressures fall out of specification.

    G4 - Particle Counting

    Particle counters are available as standalone handheld units for spot-checking and validation, or as built-in modules for remote monitoring after connection to a centralized building management system (BMS) such as MODBUS.

    H – Ventilation & Contaminate Control
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    H1 - False Ceiling Exhaust

    False Ceiling Exhaust: Use of a plenum mounted above the drop ceiling to divert air away from the work area. A false ceiling exhaust includes an array of ceiling-mounted reverse flow fan filter units. Reverse fan filter designs remove air from the work environment and port to an outside environment or dedicated HVAC exhaust. Reverse flow fan filter units mount to the ceiling grid and are available with integrated blowers, or with motorless designs for connection to a remote HVAC blower.

    H2 - False Floor Exhaust (Complete Laminarity)

    False Floor Exhaust: Raised grated or air-permeable flooring with bottom plenum underneath to achieve full airflow laminarity. False floor exhaust systems, also known as pass through floor exhausts, feature a grated flooring that provides unidirectional airflow and passage of contaminated air. Raised flooring is common for semiconductor applications and ideal for cleanroom classifications below ISO 5 to optimize vertical laminar flow.

    p - Floor-Mounted Exhaust

    Floor-Mounted Exhausts use side-wall plenums and floor-mounted air handlers to divert air away from the work area. The plenum is mounted directly to the frame and connects to ceiling ducts that exhaust air from the negative pressure room. Floor mount exhausts include internal airflow baffles to smooth corner flow and a pass vent at the bottom with an optional fixed position damper. Containment (negative pressure) rooms require customer furnished in-house exhaust systems capable of pulling the air volume required to create adequate negative pressure

    H4 - Biosafety Levels I & II

    Biosafety Level 1 is specified as work with well-characterized agents that are known to cause disease in healthy, non-immunocompromised adults. Special containment practices and devices are generally not required, but institutional laboratory practices must be implemented to reduce risk to laboratory personnel.

    Biosafety Level 2 is specified as work that poses moderate hazards to personnel and the environment. Research or diagnostic activities that are administered with pathogenic bacteria, such as Staphylococcus aureus or Salmonella, fall into this category. This Biosafety Level builds upon Biosafety Level 1; all of the precautions and practices spelled out in Biosafety Level 1 must be followed in addition to those found in Biosafety Level 2. Special containment practices and devices are generally required to mitigate risk to laboratory personnel.

    I – Upgraded Features
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    I1 - Ion Bars

    Ionization bars neutralize electrostatic charges, a common requirement for mixing, packaging, or high-speed assembly lines. Static ionizing bars remove errant charges and have special importance for products with insulative properties.

    I2 - Air Curtains

    Air curtains produce a jetstream of ULPA Class 10 micro-filtered air at the entry and exit points of a controlled environment. Air curtains are ideal when doors are frequently opened or for doorless entryways. Operating modes include either motion sensor activation with adjustable delay or continuous operation.

    I3 - Uninterrupted Power Supply

    An uninterrupted power supply (UPS) is only used to maintain power in the cleanroom for a brief time during an unanticipated power outage. A UPS guarantees uninterrupted visibility inside a cleanroom in the event of power loss and provides power for one light (LED or fluorescent) for one hour.

    I4 - Cleanroom Emergency Lights

    The cleanroom emergency light is an LED light with a backup battery that will remain on during a power outage so employees can see well enough to shut down operations, secure any sensitive products, and evacuate safely in the case that power cannot be immediately restored.

    The LED light has a red/green indicator to inform employees after power has returned and the cleanroom is safe to re-enter. When receiving power, the light both operates normally and charges the emergency battery.

    I5 - Germicidal UV Lights

    UV sanitizing modules affix to the cleanroom ceiling grid to neutralize bacteria, viruses, and mold spores. UV light is particularly effective when targeting resistant bacteria, mold/fungal spores, and gram-negative microbes. The UV-C Germicidal Lamps install on a cleanroom ceiling grid for line-of-sight room disinfection. A safety occupancy sensor switches off the UVC lighting to prevent radiation exposure when occupied.

    I6 - Fire Detection System

    Terra provides fire detection and suppression systems ideal for wet benches, exhaust fume lines, and locations involving volatile chemicals. Terra cleanrooms support traditional sprinkler and heat sensor configurations or CO2-based suppression systems. The FS System 7 is an integrated fire detection and CO2 suppression system that includes electro-optical sensors for detecting any type of hydrocarbon or non-hydrocarbon fire, even through gas or vapor. A dual-stage alarm triggers an early warning for fires too small to be sensed by overhead sprinklers. An intelligent multi-stage response system prevents the damaging effects of fire suppression in the case that a small fire self-extinguishes or is suppressed rapidly. Terra engineers work with you to determine the fire suppression system appropriate for your requirements and local fire codes.

    I7 - Fingerprint Scanner

    Biometric fingerprint scanners prevent unauthorized access via shared keys or passwords while also providing data logging capability. An integrated proximity card reader enables two-factor authentication.

    I8 - Iris Scanner

    Fully automated iris scanner for secure, hands-free access (includes data logging and optional secondary keycard reader).

    I9 - Keycard Reader

    Keycard readers provide a durable and economical method for maintaining secured keycard access within a cleanroom facility. The low-profile device reads cards up to 3" away and integrates with access control software for data logging and remote monitoring.

    I10 - Pass Through

    General-Use Pass-Through Chambers are an economical choice for non-sterile items with a low risk of cross-contamination potential including samples, fluids, tools, packaging, or documents.

    ValuLine™ Pass-Through Chambers are configurable with economical black acrylic, chemical resistance polypropylene, or stainless steel for unmatched cleanliness and durability within cleanrooms.

    BioSafe® Pass-Through chambers with continuous seam welds eliminate hard-to-clean cracks and crevices that can harbor particles and germs. CleanSeam™ design conceals the door interlock mechanism behind the chamber’s wall for a completely unobstructed, easy-to-clean chamber interior.

    I11 - Talk Through

    Communication and vocal clarity are critical for successful outcomes within cleanrooms, laboratory, and hospital isolation environments. Mechanical and electronic talkthroughs allow easier communication between internal partitions or outside areas of the cleanroom. Both the mechanical and electronic talk throughs include cleanroom-grade components and are easy to mount in either a stick-built cleanroom wall or Terra hardwall modular cleanroom.

    I12 - Interlocking Doors

    Interlocking doors are common for passthrough chambers and air showers. The interlock prevents doors on either side of the enclosure from opening at the same time. Single side access helps to maintain airflow cascades between rooms of differing pressure and limits room pressure loss after opening and closing of doors.

    J – Services
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    J1 - Cleanroom Installation

    Terra Universal is one of few cleanroom manufacturers to provide in-house engineering, in-house design services, and in-house component manufacturing from a single source. While most contractors rely on external engineering teams for drafting and floorplanning, Terra reduces layers of communications and simplifies facility planning and construction to a single point of contact. If requirements change, our modular design allows you to add filters, lighting, ionization, or additional floor space—all at a fraction of the cost you'd face with other systems.

    J2 - White Glove Delivery

    Terra Universal provides specialized freight service on a per-project basis. Extended delivery options include inside delivery and delivery after business hours. Terra is committed to ensuring the timely and safe delivery of your product. Terra provides product on-site placement and assembly services for facilities that lack the necessary equipment or expertise during the installation and startup process. Our shipment consolidation services provide our customers extended control over shipment and delivery dates by streamlining pickup and delivery times. In-transit freight consolidation ensures pickup and shipment of items at prespecified times. Items are transported from the factory as needed or held at a consolidation terminal for later delivery to the end destination within a prespecified time window.

    J3 - FasTrak Expedited Production

    Terra's FasTrak limited guarantee is to ship on or before the date specified or to refund up to 100% of FasTrak charges on the client's approved request. This guarantee does NOT cover direct, special, consequential, or other damages and is strictly limited to 100% of the amount paid for FasTrak service.

    J4 - Cleanroom Certification

    Terra Universal is the leading expert in the design and fabrication of critical environment applications. Terra offers end-to-end certification and testing services for cleanrooms, hoods, glove box isolators, biosafety cabinets, and lab equipment. Services include HEPA leak testing, airflow velocity, airborne particle counting, room pressurization, airflow visualization, ASHRAE 110, and volatile organic compound testing.

    J5 - Cleanroom Equipment Validation (IQ/OQ/PQ)

    Terra Universal provides comprehensive, turnkey equipment validation packages on a per-project basis. Contact your Terra Universal product specialist to discuss project-specific requirements with our validation engineering team.

    Services include:

    • Installation Qualification
    • Olierational Qualification
    • lierformance Qualification
    • Construction Qualification
    • Factory Accelitance Testing
    • Site Accelitance Testing
    • User Requirement Sliecification
    • Statement of Work
    • Feasibility Study

    J6 - Decontamination and Cleaning

    The Terra Universal network includes trusted vendors for deep micro-cleaning after commissioning and regular cleaning services on a monthly, weekly, or as-needed basis. Through our critical environment cleaning professionals and the use of innovative technology, we make certain your cleanroom environment meets or exceeds the industry’s highest regulations for contamination control, maintenance and safety. We offer comprehensive decontamination service packages for a multiverse of cleanroom applications, gown rooms, vivariums, biomedical facilities, laboratories, and cold/dry rooms.

    J7 - USP <797> Consultation

    Terra Universal provides uncompromising informational and consultative support for USP 797 and USP 800 compliance. If applicable, Terra will offer a 60-minute phone call with staff compounding pharmacist (CPHA Policy Committee member) Dr. Chris Munoz. Terra USP compounding suites include (as requested) custom cleanroom drawings outlining dimensions, layout, and placement of HEPA filters.

    Due to high demand for this consultation and the scope of service provided, Terra must require an up-front consultation fee that will be applied to the purchase of a Terra USP cleanroom; however, even those who do not purchase from Terra will receive cost-saving guidance far exceeding the price of this bundle.

    J8 - Seismic Structural Analysis

    Terra’s modular cleanrooms are designed with seismic safety in mind. Rigid steel frames and ceiling grids are designed with sufficient factors of safety to provide vertical and lateral strength recommended by professional engineers. Both hardwall and softwall designs can be installed to adhere to local seismic codes. Optional seismic and structural calculations can be drafted and stamped by a licensed PE to help meet municipal permitting requirements.

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  13. These self-contained air showers and tunnels provide high-velocity, HEPA-filtered air streams to dislodge and remove particles from personnel and equipment before entering the cleanroom.

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  14. Ultra-Low Freezers (-80°C) from Thermo Fisher and Helmer Scientific

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  15. Convert an existing office space into an ISO-classified cleanroom using specialized cleanroom wall paneling and ceiling grids.

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  16. Custom and preconfigured modular cleanrooms meet ISO 5-8 and sterile processing requirementsFan Filter Units Features Overview

    Compatible FiltersFan Filter Air Flow DesignMotor TypeFilter Replacement DesignConstruction MaterialCompatible Control SystemsCompatible AccessoriesSpecial Application FeaturesSizeVoltageMotor TypeLaminar Flow DiffuserWhisperFlow Reverse-Flow FFUPortable Horizontal Flow FFUHeated WhisperFlow FFULow-Profile WhisperFlow FFUNarrow WhisperFlow FFUExplosion Proof WhisperFlow FFUFFU With LED light & IonizerSmart WhisperFlow FFUWhisperFlow FFU

    A - Fan Filter Air Flow Design
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    A1 - Positive Pressure Fan Filter Units

    Terra's positive pressure fan filter units include HEPA fan blowers capable of ISO Class 3 - ISO Class 8 air quality conditions. ULPA filtration units are available for the most sensitive ISO 3 - ISO 5 product applications including pharmaceutical compounding, semiconductor wafer processing, sterile packaging, and micro/nanofabrication.

    A2 - Negative Pressure Fan Filter Units

    Reverse-flow impeller FFUs capture particles generated in localized cleanroom spaces to minimize contamination and ensure operator protection.

    Terra's negative pressure fan filters provide capable and safe production environments for reducing operator hazards in increased-risk applications such as USP 800 compounding, infectious disease research, and chemically intensive processes that require volatile chemical handling.

    B - Compatible Cleanroom Fan Filters
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    B1 - HEPA Fan Filter Units

    HEPA filters remove 99.97% of airborne particles greater than or equal to 0.3μm in diameter. HEPA fan filter units are common for contamination and air quality control for industries including pharmaceuticals, medical devices, OEM assembly, healthcare, life sciences, infection control, and laboratory or testing environments.

    B2 - ULPA Fan Filter Units

    ULPA filters are 99.999% efficient for monodispersed particles 0.12 μm in diameter or larger. ULPA filtration offers additional particulate control for ultra-sensitive hardware including display panels, wafer chips, microoptics, satellite imaging, and nanotechnology applications.

    C - Filter Replacement Design
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    C1 - Top-Side Fan Filter Units

    Top-side replaceable filters are a standard package available with Terra fan filter units. Standard FFUs offer a lower cost option and are ideal for small-scale and less critical cleanroom operations. To change the filter, the unit must be entirely pulled out of the ceiling bay. Climbing up to remove the bulky FFU can be difficult, dirty, and hazardous. The procedure may require tall ladders, multiple people, personal protective equipment, and perhaps worst of all, shutting down the cleanroom.

    C2 - Room-Side Fan Filter Units (RSR)

    Room Side Replaceable (RSR) fan filters eliminate the need for access to a roof or overhead ceiling space when conducting fan filter maintenance and replacement. Breaching the cleanroom ceiling is not required when installing or replacing RSR fan filter units or their HEPA filter media. The filter media is easily accessible from inside the cleanroom, an ideal trait for facilities with restricted ceiling heights or for pharmaceutical operations that require more frequent HEPA filter replacements.

    D - Fan Filter Motor Type
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    D1 - Electronically Commutated (EC)

    Terra's Smart® electronically commutated (EC) brushless motors include an internal microprocessor and MODBUS® networking control card. Easily integrate your fan filter with a building management system, control panel, or additional air pressure, airflow, and particle count sensors.

    D2 - Permanent Split Capacitor (PSC)

    PSC motors are priced for affordability but are significantly less energy-efficient than their EC counterparts.

    Read more: FFU Costs for an Energy-Efficient Cleanroom

    D3 - None (HVAC Connection)

    Motorless fan filter units include ducted collars for connection to an existing air handling unit or pre-conditioned air supply. Unlike actively powered FFU motors, motorless designs do not require electrical connections. The lightweight assembly makes for easy ceiling grid installation and includes the same baffles, diffusers, and HEPA media for smooth, quiet, and uniform air delivery.

    E - Construction Material
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    E1 - Stainless Steel Fan Filter Units

    Stainless steel is a gold standard among cleanroom construction materials. Easy cleaning, favorable heat properties, and chemical resistance make stainless steel an ideal choice for biopharmaceutical and semiconductor environments. The smooth surface is easy to wipe down, resists biofilm buildup, and will not off-gas.

    E2 - Powder-Coated Steel Fan Filter Units

    Powder-coated steel is an economical choice that also provides favorable heat and chemical resistance for most applications. Terra’s signature white powder coat finish provides a high quality, durable barrier to protect against corrosion, plus a clean and attractive aesthetic. The advanced heat-fuse formulation exceeds ASTM and ISO paint standards to resist chipping, scratching, fading, and wearing.

    F - Fan Filter Size
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    Terra provides several fan filter unit sizes and styles to accommodate your existing ceiling grid. Each configuration is available with optional duct collars and optional 1/4 inch (6 mm) eyebolts in all (4) corners for hangwire support (order eye bolt package separately).

    F1 - 24" x 24" Fan Filter Units

    2' x 2' fan filters provide moderate flow rates and accommodate standard square ceiling grid installations. Lightweight (25 lbs) provides easier installation.

    Approximate Weight: 25 LBS

    F2 - 24" x 36" Fan Filter Units

    2' x 3' fan filter units are intended for use with supported ceilings that can safely bear the weight of a fan filter unit or light panels to be installed. HEPA/ULPA packages provide a uniform flow of microfiltered air to meet cleanliness standards down to Class 10 (ISO 4).

    Approximate Weight: 53 LBS

    F3 - 24" x 48" Fan Filter Units

    2' X 4' fan filter units accommodate standard cleanroom ceiling grid and laminar flow hood configurations and are intended for use with supported ceilings that can safely bear the weight of a fan filter unit or light panels to be installed. HEPA/ULPA filters provide a uniform flow of microfiltered air to meet cleanliness standards down to Class 10 (ISO 4). Optional with 1/4 inch (6 mm) eyebolts in all (4) corners for hangwire support (order eye bolt package separately).

    Approximate Weight: 71 LBS.

    F4 - 16" x 24" Fan Filter Units

    Narrow fan filter units fit in a space-saving enclosure for a smaller footprint. Optional with 1/4 inch (6 mm) eyebolts in all (4) corners for hangwire support (order eye bolt package separately)

    F5 - 16" x 36" Fan Filter Units

    Narrow fan filter units provide a space-saving enclosure for a smaller footprint. Optional with 1/4 inch (6 mm) eyebolts in all (4) corners for hangwire support (order eye bolt package separately)

    Approximate Weight: 50 Lbs

    F6 - 16" x 48" Fan Filter Units

    Narrow fan filter units fit in a space-saving enclosure for a smaller footprint. Optional with 1/4 inch (6 mm) eyebolts in all (4) corners for hangwire support (order eye bolt package separately)

    Approximate Weight: 50 Lbs

    G - Fan Filter Voltage
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    G1 - 120 Volt Fan Filter Units

    Standard 120 volt connection is suitable for standard residential power outlets in the US. Ideal for powering mobile-mounted fan filter units. Black and red wires are connected to the lower terminal. A along with a yellow jumper cable.

    G2 - 240 Volt Fan Filter Units

    240V connections require less current (amperage) and smaller conductors than appliances designed to operate at 120V. Ideal for fan filter units with optional heating, cooling, ionization, or UV lighting modules.

    H - Special Fan Filter Application Features
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    H1 - Integrated LED Fan Filter Light

    Fan filter units with integrated LED lights enable 100% coverage of a ceiling grid with fan units while also providing adequate lighting. 100% integration of the ceiling grid is typically reserved for high-performance environments with ISO Class 5 ratings or cleaner.

    H2 - Integrated Fan Filter Ionizer

    Integrated ionizers provide a continuous stream of static-neutralizing ions to protect sensitive materials against ESD. Built-in ionizers enhance cleanliness by neutralizing charges that attract and hold particles on walls, tabletops, and other surfaces. Ionizers are known for being maintenance burdens that require frequent calibration. Unlike ionization technologies offered by Terra competitors, Terra systems require no calibration and automatically maintain a balance of ± 50 volts.

    H3 - Automated Fan Filter Control & Pressure Balancing

    Terra's Smart® Fan Filter Units paired with Smart® Cleanroom Control Panels adjust the fan speed up or down to “dial in” the proper air velocity, internal pressure, and air change rate. Variable fan filter control lets you balance FFU performance from one clean zone to another, ensuring that you maintain the pressure gradients and air change rates required. As the filters mature and air velocity decreases, the system lets you perform small speed adjustments that keep your cleanroom performing to spec.

    H4 - Portable Fan Filter Units

    ValuLine portable fan filter units are mobile, self-contained, hospital-grade HEPA purifiers mounted on a rolling stand. The small footprint, rolling stand, and plug-and-play operation allow easy transfer between rooms or departments.

    H5 - NEC Class 1/Division 1 Compliant

    Terra's explosion-proof fan filter units isolate fumes and vapor from any spark, hot surface, or friction-inducing electrical components.

    Explosion-proof LED lights are available with a T5 temperature rating and are designed for low-profile pendant mounting to make maximum use of available space.

    Division I environments contain ignitable concentrations of hazards under normal operating conditions and/or where the hazard is caused by frequent maintenance or repair work or frequent equipment failure.

    Class I locations are those in which flammable vapor and gases may be present.

    H6 - Remote Air Supply Connection

    Terra's Laminar Flow Diffusers with HEPA Filters include a 12"-diameter collar for air supply connection for connecting the fan filter assembly to a remote air source. Threaded inserts in the top corners accommodate eyebolts to facilitate installation using suspended guy wires (order eyebolt packages separately).

    H7 - 8" Tall Unit for Restricted Height Spaces

    Low-profile 8"H fan filter units are ideal for cleanrooms installed within restricted height areas.

    H8 - Integrated UPS Battery System

    An Uninterruptible Power Supply (UPS) is a backup system that provides battery power to fan filter units when utility power is unavailable. In the event of a power outage, the UPS immediately activates without interruption and recharges when power is restored.

    Smart® EC Fan Filter Units with UPS keep your FFU running long enough to safely store away contamination-sensitive materials, shut down work-in-progress, and/or switch to a backup power generator. Handy and convenient, the Uninterruptible Power Supply (UPS) provides power when and where you need it. The included external 24V battery pack offers extended battery runtime when used with the main tower UPS system.

    H9 - Cleanroom Fan Filter Contaminant Collector Pan

    A fan filter collector pan accumulates dust particles that dislodge from the HEPA filter, preventing contaminants from re-entering the cleanroom. Terra's collector pan integrates with bag-in/bag-out (BIBO) systems and is easily removed for cleaning or maintenance.

    Bag-in/Bag-out (BIBO) modules are optional accessories for applications involving toxic fumes or biohazards. BIBO modules seamlessly integrate with the filter media system for safe filter disposal and replacement from the inside of the room for contact-free removal of filters with potentially hazardous airborne contaminants.

    H10 - Fan Filter Heating Element (up to 150°F)

    Heated fan filter units provide high-temperature air of up to 150 degrees Fahrenheit.

    H11 - Fan Filter VOC Removal Adapter

    Volatile Organic Compound (VOC) Removal Adapters require an adapter module for each FFU. The package includes an adapter housing, one charcoal pre-filter, two sanitizing modules, and one PCO panel and must be ordered together with a Terra WhisperFlow FFU.

    Photo-Catalytic Oxidation Panels (PCO) remove volatile organic compounds (VOCs) remaining in the air stream after they pass the carbon filter. The PCO panel is highly efficient at vapor removal, yet imposes no restrictions on airspeed, allowing the Fan/Filter Module to maintain airspeed consistent with ISO cleanliness requirements (typically 80-100 feet/minute).

    The carbon pre-filter removes volatile organic compounds (VOCs) to ensure a safe, clean processing environment. The pre-filter also helps compensate for VOC spikes that might occur during certain operations.

    H12 - Fan Filter UV Sterilization Module

    Terra Fan Filters Units with integrated UVC decontamination modules provide additional protection against bioaerosols and pathogenic organisms. UV-C lamps may not produce an entirely sterile surface, but they can maintain consistently low microbial loads throughout a wide range of operations and eliminate bioburden spikes that could necessitate extensive testing and decontamination measures. UV Sterilization modules are not compatible with the following FFU designs: Narrow, Explosion Proof, or Reverse Flow.

    H13 - Cleanroom Leak Testing Challenge Port

    Fan filter units with challenge ports provide a simple and efficient mechanism for conducting localized leak tests of each filter. Terra fan filter units are leak tested before delivery in accordance with IEST and UL 900 standards. For critical applications, the USP <797> framework requires that fan filter units undergo leak testing during initial installation, and semiannually throughout the life of the filter. Filter testing is also common in operating rooms, surgical suites, and CGMP facilities.

    Leak testing requires the injection of an aerosol upstream of the filter. Fan filters with challenge ports allow for rapid and individual testing of each fan filter unit without requiring the introduction of test aerosols to the entire HVAC system. Challenge port testing is a more reliable method of ensuring that a test aerosol is uniformly applied and presents fewer variables.

    I - Compatible Control Systems
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    I1 - Cleanroom Fan Filter Power Distribution Module

    Terra’s Power Distribution Modules (PDMs) use 3-pin or 4-pin quick connect fittings to power all FFUs and lights, regardless of the cleanroom size. The expertise of a licensed electrician is only needed to connect the main voltage to the Primary, Secondary, and Booster PDM modules; lights and fan filters are installed via quick-connect fittings without requiring hard wiring. The PDM modules must be wired to a dedicated 35A fused 120V circuit or a 30A fused 240V circuit to allow a quick fit connection of up to 5 light and 5 FFU connections per module.

    I2 - Cleanroom Fan Filter Replacement Alarm System

    Fan Filter Replacement Alarms provide a reliable, quantitative method for determining when HEPA fan filter media requires replacement. Automatic replacement alerts avoid costly and unexpected operational interruptions while also maximizing the working life of the fan filters.

    I3 - Smart Control Panel for Filter Fan Units

    Standard Control Panels provide central control and connection of lights and filters. An optional Night Service Switch drops all Fan/Filter Units (FFUs) into a low-energy mode for nights and weekends.

    Smart® Control Panels connect to EC FFUs for individual or grouped fan control and remote monitoring of room differential pressure, particle counts, temperature, and humidity. The robust system offers advanced control for up to 200 fan filter units and 16 independently controlled rooms.

    An upgraded Smart® Control System allows additional environmental sensors and FFU control to meet critical performance/monitoring requirements including programmable fan speed adjustment for energy savings, performance enhancement, or remote shutdown. Easily connect additional sensors to display humidity, differential pressure, and temperature data.

    J - Compatible Accessories
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    J1 - Cleanroom Fan Filter Unit Mounting Frames

    Stainless steel mounting frames allow fan filter units or light panels to be installed in drywall or other hard ceilings without a ceiling grid.

    J2 - Cleanroom LED Lights

    Cleanroom LED lights are energy-efficient, produce low heat, carry long life spans, and are compatible with ISO class 3 spaces.

    J3 - Cleanroom UV Lights

    Although UV-C lamps may not produce an entirely sterile surface, they can maintain consistently low microbial loads throughout a wide range of operations and eliminate bioburden spikes that could necessitate extensive testing and decontamination measures.

    J4 - Cleanroom Emergency Lights

    Cleanroom LED Light Panels with Built-In Emergency Batteries allow for temporary backup lighting during a power outage. When receiving power, the light operates normally and charges the emergency battery. A UL recognized emergency driver allows the LED fixture to be used for normal and emergency operation. The LED light has a red/green indicator to inform employees after power has returned and the cleanroom is safe to re-enter.

    J5 - Cleanroom Ceiling Panels

    Cleanroom ceiling panels cover ceiling bays not occupied by fans or lights. These panels are available in several materials that support frequent cleaning and will not absorb water or crumble like conventional gypsum ceiling panels. Chemically resistant polypropylene panels are preferable for use with most chemical solvents and acids. Stainless steel panels are typical for pharmaceutical and USP-regulated environments that require aggressive chemical sterilants or vapor treatments during cleaning regimens. Vinyl-covered gypsum is cost-effective and fire-rated but does not offer the wider chemical compatibility of other materials. All Terra ceiling panels are cleanroom appropriate for ISO Classes 5 to 8 and Federal Standard 209 Classes 100 to 100,000.

    Terra Universal is the leading US manufacturer of critical environment equipment with a diversified product line including cleanrooms, desiccators, hoods, glove boxes, cleanroom furnishings and similar equipment.

    Shop online to view a wide selection of fan filtration systems, cleanroom components, and controlled environment enclosures.

    Contact a Terra cleanroom specialist for assistance with product configuration or application compliance via web chat, email, or phone.

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  17. Easily accomplish out-of-reach cleanroom tasks; meet OSHA safety and load capacity standards; BioSafe stainless steel design with continuous seam welds is ISO 5-compliant.

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  18. Gowning benches, garb and glove dispensers, hand and shoe cleaners, mirrors, waste receptacles and other cleanroom and gowning room furnishings

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Features and Benefits

Eliminate Fungus and Mold Spores

HEPA filters do more than capture dust/dirt that can affect lighting. They provide optimal growing conditions by capturing fungus/mold spores that can quickly ruin an otherwise healthy garden in days.

Antimicrobial Transport Carts

Utility Carts provide antimicrobial surfaces to transport products. Carts can pass through decontaminating air showers between growing rooms and are easy to clean to aid in preventing the build-up of harmful bacteria and mold spores

Cross-Contamination Control

Air showers prevent cross-contamination between external environments and the growing facility. Pressurized air brushes away hazardous particles while HEPA filters recirculate fresh air, so the temperature and humidity of the grow room stays secure and bacteria stay out

Keep Shoes and Wheels Clean

Remove hazardous particulates from shoes and wheels with floor-covering sticky mats or automatic contamination-control mats to help protect harvests from the spread of harmful fungi

Sterile Gown Storage

Gowning traps bacteria and spore contaminants, preventing the spread of harmful particles from personnel to plants within the growing facility. Garment cabinets and dispensers provide clean space to organize and store protective gear for grow rooms

Antimicrobial Shelving

Sturdy shelves with corrosion-resistant microban coating provide antimicrobial, rust-free storage to protect and organize harvests during cloning, growing, and drying processes

Optimize Cultivation Conditions

Hardwall cleanrooms create a secure environment to control temperature and humidity while maintaining ventilation, making it ideal for grow rooms

Organize and Store

Keep your work space clean and organized with sturdy shelving; select models are corrosion resistant and have antimicrobial coatings to withstand moisture and bacteria

ULPA Filtered Air Curtain Provides Protective Barrier of Micro-Filtered Air

Cleanroom air curtains provide a blade-shaped shower of ULPA-filtered air (99.999% effective at catching particles down to 0.12 microns), acting as a barrier to protect against particles and ambient air from entering a controlled environment.

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