Fan Filter Units

59 products meet your criteria.

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  1. Stocked
    HEPA Filters
    From
    $352
    Some ship in 1 - 3 days
    StockedStockedULus ListedULus Listed
    6 Size2 Filter Frame Material1 Filter Type

    • 99.99% efficient at filtering particles down to 0.3 micrometers
    • Features a lightweight and economical aluminum frame
    • Compatible with all industry-standard FFU brands in 2' x 2', 2' x 3' and 2' x 4' sizes
    • Certified and tested to UL 900 for fire safety
    Size: 2'x4', 2'x3', 2'x2', 16" x 24", 16" x 36", 16" x 48"
    Filter Frame Material: Aluminum, 304 Stainless Steel
    Filter Type: HEPA
  2. CE Mark LogoCE Mark LogoULus ListedULus ListedBioSafe classic logoBioSafe classic logoWhisperFlowWhisperFlowStockedStocked
    1 Voltage2 Material1 Size2 Filter1 Filter Replacement Access

    • Energy efficient Smart FFU with integrated UPS battery system arrives fully assembled, ready for use
    • Handy and convenient Uninterruptible Power Supply (UPS) provides power when and where you need it
    • Battery system provides approximately 1-2 hr runtime depending on FFU speed setting
    • EC motor offers high performance, low energy consumption, and low noise levels (40 dB)
    • Suitable for mobile transport or applications that require protection from unexpected power outages
    Voltage: 120/230 V
    Material: Powder-Coated Steel, Stainless Steel
    Size: 2'x4'
    Filter: HEPA, ULPA
    Filter Replacement Access: Top Side
  3. Stocked
    Smart® WhisperFlow® Fan Filter Units (EC Motor)
    From
    $1,782
    Some ship in 0 - 2 days
    CE Mark LogoCE Mark LogoULus ListedULus ListedBioSafe classic logoBioSafe classic logoWhisperFlowWhisperFlowStockedStocked
    2 Voltage2 Material3 Size2 Filter2 Filter Replacement Access2 Full Seam Welded

    • EC brushless motors for quiet, energy-efficient operation and infinitely variable speed control
    • Provides much wider flow range, 110 to 1117 CFM, ideal for applications with high static pressure
    • Connect to automatic smart console for centralized fan control and cleanroom pressure balancing
    • Low-heat and low-noise production only 40 dBA, measured 12" from filter face @ 90 FPM
    • Minimize cleanroom service downtime with room-side-replaceable (RSR) fan filter units
    Voltage: 120 V, 120/230 V
    Material: Powder-Coated Steel, Stainless Steel
    Size: 2'x3', 2'x2', 2'x4'
    Filter: HEPA, ULPA
    Filter Replacement Access: Room-Side, Top Side
    Full Seam Welded: No, Yes
  4. Stocked
    WhisperFlow® Fan Filter Units
    From
    $1,001
    Some ship in 0 - 2 days
    CE Mark LogoCE Mark LogoULus ListedULus ListedBioSafe classic logoBioSafe classic logoWhisperFlowWhisperFlowStockedStocked
    2 Voltage2 Material3 Size2 Filter2 Filter Replacement Access

    • Cleanroom FFU provides avg velocity of 90+ FPM, airflow of 640+ CFM at Medium speed
    • Three speed settings (Low/Medium/High) simplify air balancing
    • Internal baffling plate and diffuser panel provide quiet and uniform air flow across the filter face
    • Quiet, low-vibration FFU design: only 49 dBA, measured 30" from filter face @ 90 FPM
    • Minimize cleanroom service downtime with room-side-replaceable (RSR) fan filter units
    Voltage: 120 V, 240 V
    Material: Powder-Coated Steel, Stainless Steel
    Size: 2'x4', 2'x3', 2'x2'
    Filter: HEPA, ULPA
    Filter Replacement Access: Top Side, Room-Side
  5. Stocked
    Explosion-Proof Fan Filter Units
    From
    $5,401
    Some ship in 0 - 2 days
    ULus ListedULus ListedExplosion Proof IconExplosion Proof IconBioSafe classic logoBioSafe classic logoWhisperFlowWhisperFlowStockedStocked
    1 Voltage1 Material3 Size2 Filter2 Filter Replacement Access

    • Explosion-proof FFU meets NEC requirements for Class I/Class II, Division 1 Hazardous locations
    • Non-sparking motor, mounted in a cast-iron, explosion-proof housing
    • Cleanroom FFU provides avg velocity of 90+ FPM, airflow of 640+ CFM
    • Internal baffling plate and diffuser panel provide quiet and uniform air flow across the filter face
    • Minimize cleanroom service downtime with room-side-replaceable (RSR) fan filter units
    Voltage: 120/240 V
    Material: Stainless Steel
    Size: 2'x2', 2'x3', 2'x4'
    Filter: ULPA, HEPA
    Filter Replacement Access: Room-Side, Top Side
  6. Stocked
    Explosion-Proof Fan Filter Units, Reverse Flow
    From
    $5,803
    Some ship in 0 - 2 days
    ULus ListedULus ListedCE Mark LogoCE Mark LogoStockedStockedExplosion Proof IconExplosion Proof IconWhisperFlowWhisperFlowBioSafe classic logoBioSafe classic logo
    2 Voltage1 Material3 Size1 Filter2 Filter Replacement Access

    • Exhaust flow fan filter unit convert any room into a negative pressure isolation/containment room
    • Explosion-proof FFU meets NEC requirements for Class I/Class II, Division 1 Hazardous locations
    • Non-sparking motor, mounted in a cast-iron, explosion-proof housing
    • Mounts into ceiling bay to remove sub-micron particles and provide safe exhaust
    • Minimize cleanroom service downtime with room-side-replaceable (RSR) fan filter units
    Voltage: 120 V, 120/240 V
    Material: Stainless Steel
    Size: 2'x4', 2'x3', 2'x2'
    Filter: ULPA
    Filter Replacement Access: Top Side, Room-Side w/ Dust Collector Pan
  7. Stocked
    WhisperFlow® Reverse-Flow Fan Filter Units
    From
    $1,840
    Some ship in 0 - 2 days
    CE Mark LogoCE Mark LogoULus ListedULus ListedWhisperFlowWhisperFlowStockedStocked
    3 Voltage2 Material3 Size2 Filter2 Filter Replacement Access1 FFU Type

    • Exhaust flow fan filter units convert any room into a negative pressure isolation/containment room
    • Filtered exhaust system also ideal for containing dust generated during maintenance or construction
    • Mounts into ceiling bay to remove sub-micron particles and provide safe exhaust
    • Medical grade filters are leak tested in accordance with IEST standards and meet UL 900
    • PSC variable speed motor provides precise, fully adjustable airflow control
    Voltage: 120 V, 240 V, 230 V
    Material: Powder-Coated Steel, Stainless Steel
    Size: 2'x3', 2'x4', 2'x2'
    Filter: HEPA, ULPA
    Filter Replacement Access: Top Side, Room-Side w/ Dust Collector Pan
    FFU Type: Ductless
  8. CE Mark LogoCE Mark LogoWhisperFlowWhisperFlowStockedStocked
    2 Voltage1 Material2 Configuration3 Size1 Filter1 Filter Replacement Access

    • Turnkey system combines HEPA-filtered fan unit, LED light and ion bar
    • Easily installs into cleanroom, laminar flow hood or HEPA-filtered storage cabinet
    Voltage: 120 V, 220 V
    Material: Powder-Coated Steel
    Configuration: Integrated LED Light, Integrated LED and Ionizer
    Size: 2'x2', 2'x3', 2'x4'
    Filter: HEPA
    Filter Replacement Access: Room-Side
  9. Stocked
    Low Profile Fan Filter Units
    From
    $1,312
    Some ship in 0 - 2 days
    WhisperFlowWhisperFlowStockedStocked
    2 Voltage2 Material7 Size2 Filter1 Filter Replacement Access2 UL-Listed

    • Low profile 8"H fan filter units are ideal for cleanrooms with restricted height areas
    • High Efficiency Particulate Air (HEPA) Filter: 99.99% efficient at 0.3µm particle diameter
    • Variable speed control dial for precise air flow control
    • FDA-approved silicone sealant prevents air leakage without harmful outgassing chemicals
    • Backward-curved fan for optimized efficiency
    Voltage: 120 V, 220 V
    Material: Powder-Coated Steel, Stainless Steel
    Size: 2'x4', 2'x3', 2'x2', 16" x 24", 16" x 48", 16" x 36", 1'x1'
    Filter: HEPA, ULPA
    Filter Replacement Access: Top Side
    UL-Listed: No, Yes
  10. Stocked
    Heated Fan Filter Units
    From
    $2,188
    WhisperFlowWhisperFlowStockedStocked
    2 Voltage1 Material3 Size1 Filter2 Filter Replacement Access

    Voltage: 120 V, 240 V
    Material: Powder-Coated Steel
    Size: 2'x2', 2'x3', 2'x4'
    Filter: ULPA
    Filter Replacement Access: Top Side, Room-Side
  11. Stocked
    Laminar Flow Diffusers HEPA/ULPA Filters
    From
    $509
    Some ship in 0 - 2 days
    StockedStocked
    1 Voltage1 Material3 Size1 Filter2 Filter Replacement Access

    • Laminar Flow Diffuser connects to remote air supply to provide HEPA/ULPA filtered airflow
    • No built-in motor; 12" Diameter x 2"H collar allows for connection to external air supply
    • Economical filter unit includes internal baffling and diffuser panel for quiet, uniform air flow
    • Minimize cleanroom service downtime with room-side-replaceable (RSR) laminar flow diffusers
    Voltage: None
    Material: Powder-Coated Steel
    Size: 2'x2', 2'x3', 2'x4'
    Filter: HEPA
    Filter Replacement Access: Top Side, Room-Side
  12. StockedStocked
    1 Material3 Size

    Material: Stainless Steel
    Size: 2'x2', 2'x3', 2'x4'
  13. BioSafe classic logoBioSafe classic logo
    3 Size1 Filter Replacement Access

    • Perforated stainless steel shield protects the FFU's sensitive filter media from damage
    • Heavy-duty and chemical resistant 12-gauge 304 stainless steel withstands frequent sterilization
    Size: 2'x2', 2'x3', 2'x4'
    Filter Replacement Access: Room-Side
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59 products meet your criteria.

per page
FFU FAQs, FFUs Prevent Infection, How many FFUs Do I Need?
  • Calculating Clean Room Cleanliness: How many FFUs and Lights?
  • Explosion-Proof Fan Filter Unit (FFU)
  • Environmental Control Modules (ECM) FFUs
  • Filter Fan Units Prevent Infection
  • Submittals and Product Data -WhisperFlow Fan Filter Units
  • FFU FAQ
  • UL Listed Cleanroom Control Systems

Fan Filter Unit Features and Benefits

Diffuser Panel Promotes Air Flow Uniformity and Protects Filter Integrity

Unlike other manufacturers, Terra’s FFUs include a unique perforated panel beneath the filter, acting as a shower head, to guarantee filter protection and laminar air flow uniformity which prevents localized air swirling, particle build-up and turbulence.

Full Range of Designs, Configurations!

WhisperFlow FFUs come in all styles: room-side replaceable, all-stainless steel, HEPA or ULPA filtration, EC energy-saving fans, reverse flow and more (shown: vapor filtration module with UV sanitation lamp).

Comprehensive Product Portfolio

Terra’s comprehensive product portfolio includes solutions for every application and budget. Our technical sales staff will guide you toward the product most suitable for your requirements.

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).

Protect Against Contaminants and Pathogens

HEPA and ULPA filters help capture many bacteria, viruses (COVID-19), and mold spores that contribute to a host of infections for both humans and plant/animal tissue cultures

Gel-Filled Channel on Room-Side Replaceable Filter

Gel-filled channel on room-side replaceable filter forms a tight seal against knife edge on fan housing, allowing fast, simple filter replacement from inside the cleanroom without the need for costly cleanroom shut-down.

Fan Filter Units

  • Terra Universal WhisperFlow® Hoods and Filter Fan Units
  • HEPA Filtered Laminar Flow Cabinet
  • Fan Filter Unit with Vapor-Removal and Sanitizing Module Full Range of Designs, Configurations!
  • COVID-19 Contamination Control Products by Terra Universal
  • Ducted Reverse-Flow Fan Filter Unit COVID-19 Infection Control
  • EC HEPA Fan Filter Unit Smart WhisperFlow Fan Filter Unit with EC Motor
  • Room Side Replaceable Fan Filter Units (FFUs) Room Side Replaceable WhisperFlow® Fan Filter Units (FFUs)
  • Stainless Steel WhisperFlow Fan and Filter Units Stainless Steel WhisperFlow Fan and Filter Units, 2' x 4'
  • 2' x 4' Ducted HEPA Filter Unit Ducted HEPA Filter Unit, 2' x 4'
  • Cleanroom HEPA or ULPA Fan Filter Unit WhisperFlow Cleanroom HEPA Fan Filter Unit
Technical Resources
blog post
Air Shower Protection for Cannabis Grow Rooms

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