Horizontal Laminar Flow Hoods and Clean Benches

Horizontal Laminar Flow Stations provide an enclosed, HEPA-filtered work environment with stainless steel interior surfaces for easy-cleaning | 9620-64A displayed

Horizontal Laminar Flow Hoods

Manufactured By: Terra Universal

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Here at Terra Universal, we’ve made it our mission to offer the best possible lead times in the industry. In addition to aggressive stocking programs and streamlined fulfillment, Terra Universal also offers several services that ensure you receive your products as quickly as possible.

Terra FasTrak Guaranteed Delivery Services

FasTrak 24/7 guarantees to meet the shipping date YOU specify, regardless of quoted lead times.

Terra Universal can provide FasTrak 24/7 service for both in-stock products and custom orders.

Examples of FasTrak 24/7 services include:

Assigning a dedicated senior expediter
Assigning a dedicated production team and up to three shifts per day
Eliminating internal purchase approvals to speed the receipt of parts and materials

Terra FasTrak service fees are only meant to cover the cost of additional Terra services, they are not designed to generate profit. If Terra fails to ship on or before the specified date, Terra will refund up to 100% of the FasTrak charges at the client's request. This guarantee does NOT cover direct, special, consequential, or other damages. It is strictly limited to 100% of the amount paid for the FasTrak service.

The FasTrak 24/7 refund policy does not apply when a specified ship date is missed due to factors outside Terra's control, such as vendor performance or shipping company delays. The FasTrak 24/7 guarantee DOES apply in instances where the shipping date is missed due to Terra's own negligence.

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Terra's QuickShip Program includes thousands of in-stock, ready-to-ship, ready-for-delivery products.

Examples of Quick Ship Plus-eligible products include:

Terra's Quick Ship Plus service provides the necessary resources to guarantee the required delivery date.

The Quick Ship Plus service is available for orders of in-stock, turnkey products that do not require any additional assembly before shipment. This service guarantees that the order will be delivered on or before the date indicated, or the charges for the Quick Ship Plus service will be refunded in full upon the client's approved request.

This guarantee does not cover any direct, special, consequential, or other damages, and is strictly limited to 100% of the amount paid for the Quick Ship Plus service. In alignment with FasTrak programs, In the case that shipment delays arise due to factors that are within Terra's control, Terra will refund up to 100% of the Quick Ship Plus fees. This guarantee does NOT cover direct, special, consequential or other damages and is strictly limited to 100% of the amount paid for Quick Ship Plus service.

Terra Quick Build Program

Terra's QuickBuild Program includes dozens of products with stocked components ready for quick assembly and shipment in 5 days.

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Quick Build services are available for Terra products assembled with in-stock, on-hand components. Therefore, Terra can provide these items assembled and ready for shipment within 4 - 6 business days.

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Voltage All 120 V 240 V Sort Order: Descending Ascending	Model All Horizontal Laminar Flow Station Sort Order: Descending Ascending	Inside Width All 48" 72" 96" Sort Order: Descending Ascending	Inside Depth All 30" Sort Order: Descending Ascending	Inside Height All 28" Sort Order: Descending Ascending	Terra Part #	Price	Ships in
120	Horizontal Laminar Flow Station	72	30	28	9620-64A 70881	$17,839	1-3 Days	2	18 in stock
120	Horizontal Laminar Flow Station	96	30	28	9620-69A 70883	$19,145	1-3 Days	3	Only 8 left in stock
120	Horizontal Laminar Flow Station	48	30	28	9620-63A 70879	$14,403	1-3 Days	4	17 in stock
240	Horizontal Laminar Flow Station	72	30	28	9620-64A-220 70882	$16,217	4-6 Days	5
240	Horizontal Laminar Flow Station	48	30	28	9620-63A-220 70880	$13,094	4-6 Days	6

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Product Details

Terra's Horizontal Laminar Flow Hood exceeds ISO 5 particle requirements for critical operations in the biotech, pharmaceuticals, electronics and semiconductor industries
Powerful, low-energy fan/filter modules provide a back-to-front laminar flow of HEPA-filtered air across the work surface
The variable-speed, electrically commutated filter/fan(s) provide average air speeds of 109 FPM (0.55 m/s) while maintaining an industry-best noise level of 50 dBA and energy efficiency
Internal baffling plates and anodized aluminum diffuser panel ensure uniform air speed across the work area
All models include a powder-coated steel stand with adjustable leveling feet that raise the work surface to 31” (787 mm) above the floor

Take-up ducts along the edges minimize turbulence in the work area, providing a smooth exit for airflow

Built-in recessed illuminator provides diffused lighting without interfering with laminar flow

Interior surfaces, including the side panels and work surface, are 304-stainless steel; as an option, components can be electropolished to remove subsurface contaminants for an ultra-clean finish

Exterior surfaces feature a chip-resistant, powder-coated finish

• Marks & Listings: CE, UL, ULC

Horizontal Laminar Flow Station

Standard Features

A Fluorescent light
Fluorescent light standard, UV sterilization bulbs available
B Fan Filter Units
HEPA fan/filter units provide laminar flow of micro-filtered air
C Minihelic gauge
Minihelic gauge measures filter backpressure
D Stainless steel work surface
Stainless steel work surface (available with electropolishing)
E Variable-speed blower
Variable-speed blower adjusts air speed to meet containment requirements
F Range of Options
Options include vacuum, DI water and gas utilities
H Status Indicator
Status Indicator

Not Shown: Nylon levelers - Steel-reinforced nylon levelers resist most chemicals

Horizontal Laminar Flow Hoods

Horizontal Laminar Flow Hood Smoke Test
Extra-Tall Horizontal Laminar Flow Hood with Ionizing Bars
Custom Horizontal Laminar Flow Hood, 316 Stainless Steel, Open Interior, 120V
Horizontal Laminar Flow Station
304SS Smart Whisperflow HLF, 12'W
Stainless Steel Smart WhisperFlow Horizontal Laminar Flow Hood

This smoke study provides a visualization of the unidirectional airflow and positive pressure inside Terra’s horiztonal laminar flow hood.

Terra’s laminar flow Horizontal Laminar Flow Hood Smoke Test This smoke study provides a visualization of the unidirectional airflow and positive pressure inside Terra’s horiztonal laminar flow hood.

Terra’s laminar flow hoods provide a HEPA filtered ISO 5, Class 100, mini cleanroom environment. They are ideal for many science applications, including microelectronics, optics, medical devices, sterile pharmaceutical compounding, and mushroom cultivation.

To learn more, visit our website and browse our selection of laminar flow hoods, or call us to speak with one of our product specialists.

Extra-tall horizontal laminar flow hood with ionizing bars, for vibration isolating tables and microscopy, 96"W x 36"D x 80"H | 9620-69A displayed Extra-Tall Horizontal Laminar Flow Hood with Ionizing Bars This extra-tall horizontal laminar flow hood is designed to enclose vibration isolated tables for contamination and ESD sensitive microscopy. The ionizing bars dissipate static charges to help keep materials clean.

Custom horizontal laminar flow hood with electrical outlets and 316L stainless steel construction, 120V | 9620-63A displayed Custom Horizontal Laminar Flow Hood, 316 Stainless Steel, Open Interior, 120V Horizontal laminar flow hood features durable 316 stainless steel construction. Built-in recessed light illuminates open interior. Minihelic gauge alerts to changes in airflow pressure to indicate the need for filter replacement.

Horizontal Laminar Flow Station provides an enclosed, HEPA-filtered work environment with stainless steel interior | 9620-64A displayed Horizontal Laminar Flow Station Horizontal-flow clean bench includes multi-speed HEPA filter/fan units to meet ISO 5 cleanliness standards; take-up return slots minimize edge turbulence

304SS Smart Whisperflow HLF, 12'W

Shown: 6'-wide Horizontal Laminar Flow Hood; requires two fan/filter units (sold separately) | 9620-64A displayed Stainless Steel Smart WhisperFlow Horizontal Laminar Flow Hood Stainless steel interior ensures optimal cleanliness and chemical resistance for sensitive work

Features & Benefits

Features and Benefits

Filter replacement alarm system with minihelic gauge and yellow power cable

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.

Horizontal Laminar Flow Bench Airflow Illustration

Horizontal Laminar Flow Station Airflow Diagram

Multi-speed filter/blower modules provide a continuous wash of HEPA-filtered air for process protection. Internal baffling plates and diffuser panel ensures uniform air speed across work area; make-up air return slots minimize edge turbulence and extend filter life.

Air Return Ducts

For enhanced air-stream control, the flow station features return ducts along the edges of the hood opening. These ducts reduce backwash caused by placing objects near the work surface edge, a common source of turbulence inside a clean bench.

Simple User Interface

Operator controls include the ON/OFF switches, blower speed controls, and a Minihelic™ backpressure gauge for monitoring the load on the HEPA filter. When the backpressure roughly doubles from the initial readings, the filter needs replacing.

GFCI duplex power outlet installed inside laminar flow hood

GFCI Duplex Outlet for Operational Convenience

A GFCI power receptacle is installed on the right-hand side of the hood interior for operational convenience. GFCI outlets help prevent electric shock and damage to your electrical devices. Alternate mounting locations can be specified at time of order.

HEPA Filter Access Panels

For horizontal laminar flow hoods, the rear vent panel can be easily removed to access the HEPA filters.

Status Indicator Light

The Terra Universal logo incorporates an LED light that functions as a status indicator. The TUI logo will flash when the unit is connected to power, but the blower is switched off. A solid glow indicates the station is fully operational.

Clean and Durable Powder Coat Finish

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.

WhisperFlow Quiet Operation Reduces Distracting Background Noise

Exposure to loud noises can lower the ability to focus on work and listen selectively, which may also lead to safety issues. Typical AC units can be annoyingly loud, measuring in the range of 70 dB (comparable to a vacuum cleaner). Terra’s WhisperFlow design produces far lower noise levels for a quiet environment comparable to a library. At 90 ft/min output, units measure under 50 dB from only 1 ft away (roughly 75% quieter than 70dB).

Highest Standards For Electronic Components

Terra’s electronic components are designed and built to the highest standards required by defense and semiconductor industries for long-term reliability and protection against damage, injuries, and electrical hazards.

Continuous Product Improvement

At Terra, we strive to develop and produce the highest quality products for our customers to improve health, safety, performance, and yields. Our product quality is enabled by high-grade manufacturing equipment and processes, 45 years of engineering and application expertise, and our commitment to continuously improve.

Long-Term Customers

Terra is committed to building long-term relationships with satisfied clients; 94% of orders each year come from repeat customers

Complete Project Transparency

Terra is dedicated to complete transparency on project status, shipment tracking, and installation scheduling

Vertical Laminar Flow Clean Bench with Automatic Height Adjusting Table

Automatic height adjusting tables fit perfectly inside free-standing laminar flow clean benches. The separate workstation helps isolate vibration from the fans mounted above the hood. Dual motor electric height adjusting columns beneath the table allow users to quickly raise or lower the work surface without moving equipment off the table.

Catalog of CE-Marked Products

Terra offers over 1,700 CE-marked products configured for international voltage requirements

Available Accessories

Popular Accessories

For a full list of accessories, select a product then click Choose Accessories on that product page.

UV Germicidal Lamp
The V-Ray germicidal UV lamp is installed within a Terra hood to inhibit microbial growth on the work surface
Utility Valves
Ball valves (petcocks) are available for utilities such as nitrogen, compressed air, vacuum, DI water, or other process gases. Valves are composed of chrome-plated steel or ABS plastic.
Static-Neutralizing Ionizing Bar
Airflow from the blower distributes positive and negative ions onto the surfaces below, neutralizing static charges that can lead to electro-static discharge and attract particles.
Lighthouse Handheld Airborne Particle Counters
Lightouse portfolio of handheld airborne particle counters ensure accurate readings of cleanrooms and critical environments
Work Station Drawers
Available in ABS plastic or stainless steel, these cleanroom-compatible drawers come in a number of sizes and drawer configurations (6” top drawer and 6” bottom drawer shown).
Replacement HEPA and ULPA Filters
HEPA and ULPA filters compatible with industry standard FFU brands; any size, any brand, any quantity available immediately from stock!
Explosion-Proof Power Switches
UL-rated explosion-proof switches are connected to the lights and blowers using specialized conduit with potted fittings. All electrical components are sealed to eliminate potential ignition points.