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Terra Part #PriceShips in
Powder-Coated SteelPolypropylene 6604-12 68704 Request Quote20-26 Days2
Powder-Coated SteelStatic-Dissipative PVC 6604-14 68706 Request Quote20-26 Days3
Powder-Coated SteelTempered Glass 6604-13 68705 Request Quote20-26 Days4
Powder-Coated SteelPolycarbonate 6604-11 68703 Request Quote20-26 Days5
Powder-Coated SteelClear Acrylic 6604-10 68702 Request Quote20-26 Days6
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Product Details

• Horizontal laminar-flow (HLF) cleanrooms meet any ISO or size requirement

• Critical processes placed in direct line of laminar flow for maximum cleanliness

• Side-mounted blower modules are ideal for facilities with reduced overhead clearance

• White powder-coated steel frame supports wall, fan/filter units and ceiling grid modules

Available wall panels:

Acrylic is strong and affordable. It is the clearest of the cleanroom-compatible plastic materials

Polycarbonate also strong, resists many common acids, including those used for cleaning

White Polypropylene stands up to acids while shielding processes from view

Tempered safety glass is transparent, non-porous and the best choice for aseptic applications

SD PVC prevents electro-static discharge or the attraction of contaminating particles


• Choose a swing or sliding door, or a flexible strip shield entrance (with strip shields, no wall vents are necessary for air release).

• Note: This cleanroom is designed for particle-sensitive applications but does not protect operators against hazardous fumes, vapors or aerosols. Talk to a Terra Product Specialist for operations involving hazardous fumes.

Horizontal Flow Cleanroom

Standard Features

  • A Status Indicator
    Status Indicator Lights: Glow to indicate FFUs are operational; flash when FFUs are off
  • B HEPA filtered
    HEPA or ULPA fan/filter units provide a uniform flow of particle-free air
  • C Range of Wall Choices
    Select acrylic, static-dissipative, glass or polycarbonate wall panels
  • D Door Designs
    Several door designs: aluminum swing or sliding, vinyl strip shields (not shown)
  • E Control Panel
    Control panel includes internal room pressure gauge and other selected instruments (not shown)
  • F All Steel Frame
    Steel frame supports weight: no bracing required

Optional Features

  • 1 Light Modules
    Fluorescent or LED light modules (LED strips available for mounting directly to steel grid)

Not Shown: Night Service settings - Options include Night Service setting, pass-through chambers, A/C, vacuum, DI water and gas utilities

Hardwall Cleanrooms

  • Hardwall Cleanroom with Acrylic Wall Panels Hardwall Cleanroom with Acrylic Wall Panels
  • Control Panel for Hardwall Modular Cleanrooms Control Panel for Hardwall Modular Cleanrooms
  • Hardwall Modular Cleanroom – Multi-Room Configuration Hardwall Modular Cleanroom – Multi-Room Configuration
  • Hardwall Modular Cleanroom – Polycarbonate Wall Panels Hardwall Modular Cleanroom – Polycarbonate Wall Panels
  • Modular hardwall cleanroom shown with fan/filter units and air conditioning modules Modular Hardwall Cleanroom
  • Fire-Resistant Hardwall Modular Cleanroom Fire-Resistant Hardwall Cleanroom
  • Horizontal Hardwall Cleanroom Polypropylene Panels Horizontal Hardwall Cleanroom Polypropylene Panels
  • Hardwall Modular Cleanroom Hardwall Modular Cleanroom
  • Hardwall Modular Cleanroom with Multiple Suites Multi-Suite Hardwall Modular Cleanroom
  • Modular Cleanroom Showing Air Conditioning and RH Control Ducting Modular Cleanroom with A/C and RH Control
  • Thermal Vacuum Chamber Enclosure Thermal Vacuum Chamber Enclosure
  • Terra Universal IQ-OQ Process
Hardwall Cleanroom with Acrylic Wall Panels
Control Panel for Hardwall Modular Cleanrooms
Hardwall Modular Cleanroom – Multi-Room Configuration
Hardwall Modular Cleanroom – Polycarbonate Wall Panels
Modular hardwall cleanroom shown with fan/filter units and air conditioning modules
Fire-Resistant Hardwall Modular Cleanroom
Horizontal Hardwall Cleanroom Polypropylene Panels
Hardwall Modular Cleanroom
Hardwall Modular Cleanroom with Multiple Suites
Modular Cleanroom Showing Air Conditioning and RH Control Ducting
Thermal Vacuum Chamber Enclosure

Features & Benefits

Features and Benefits

Horizontal Flow Cleanroom

Horizontal Flow Cleanroom

horizontal laminar flow modular cleanroom
  • Horizontal laminar-flow (HLF) cleanrooms meet any ISO or size requirement
  • Critical processes placed in direct line of laminar flow for maximum cleanliness
  • Side-mounted blower modules are ideal for facilities with reduced overhead clearance
  • White powder-coated steel frame supports walls, fan/filter units and ceiling grid modules

Terra's unique Horizontal Laminar-Flow Cleanroom is designed as an alternative to traditional vertical-flow, positive-pressure cleanrooms; some processes or samples are best handled when placed closer to the source of filtered laminar airflow, as well as upstream from personnel. The turbulent effect of air striking the work surface is reduced in a HLF environment.

In buildings with ceiling-height restrictions, top-mounted fan/filter units may not be possible due to clearance requirements. Terra's lower-profile HLF cleanroom solves this problem. The powder-coated steel frame supports wall panels, ceiling , control panel, lights and fan modules.

Available wall panels
  • Acrylic is strong and affordable. It is the clearest of the cleanroom-compatible plastic materials
  • Polycarbonate also strong, resists many common acids, including those used for cleaning
  • White Polypropylenestands up to acids while shielding processes from view
  • Tempered safety glass is transparent, non-porous and the best choice for aseptic applications
  • SD PVC prevents electro-static discharge or the attraction of contaminating particles

Choose a swing or sliding door, or a flexible strip shield entrance (with strip shields, no wall vents are necessary for air release).

WhisperFlow™ FFUs make laminar airflow uniform across the entire filter face; dead zones cause turbulent eddies that compromise cleanliness. Internal baffles and blower speed control ensure balance and homogeneity. In a Horizontal Laminar Flow cleanroom, the FFU proximity makes filter replacement easier and faster; no need for ladders or standing platforms.

Typical HLF Cleanroom internal height is 7' (8' external), but the room will be designed to your specifications. The fan/filter units need a 24-inch clearance from walls or other furnishings: 13" for FFU housing, with an additional 11" for proper air flow.

This cleanroom is designed for particle-sensitive applications but does not protect operators against hazardous fumes, vapors or aerosols. Talk to a Terra Product Specialist for operations involving hazardous fumes.

Control Panel w/OSI; for Hardwall CR, External-Mount Panel, Night Switch

Operation Status Indicators

Modular Cleanrooms include a status indicator light in each corner, which glows when fan/filter units are operating and blinks when they are inactive.

Long Running FFU Motors

Terra’s filter fan unit motors are rated for 5 years of continuous, 24/7 operation, if the HEPA filters are consistently replaced. To accurately monitor your HEPA filter’s saturation levels, purchase Terra’s audible and visual filter replacement alarm system.

Available Accessories

Popular Accessories

For a full list of accessories, select a product then click Choose Accessories on that product page.
  • Aluminum Frame Swing Door
    Light-weight, easy to install, and includes concealed pneumatic door closer.
  • Strip Shield Doors
    Strip Shield Doors provides access for areas that don't require strict airflow
  • Aluminum Frame Sliding Door
    This aluminum-frame door slides open along an extruded aluminum track to an opening of 36" (914 mm)
  • Germicidal UV Lamp Sanitizes Labs, Cleanrooms
    UV-C Germicidal Lamp installs on a cleanroom ceiling grid for line-of-sight room disinfection; safety occupancy sensor prevents personnel exposure.

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