Fan Filter Units

206 products meet your criteria.

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  1. WhisperFlowWhisperFlowStockedStocked

  2. WhisperFlowWhisperFlowULus LogoULus Logo

  3. WhisperFlowWhisperFlowULus LogoULus Logo

  4. Stocked
    WhisperFlow® Fan Filter Units
    Group of 43 products
    6601-PP-15 72260
    From
    $650
    Some ship in 1 - 3 days
    CE Mark LogoCE Mark LogoULus ListedULus ListedBioSafe classic logoBioSafe classic logoWhisperFlowWhisperFlowStockedStocked
    2 Voltage2 Material3 Size2 Filter2 Filter Replacement Access

    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
    Fan Filter Units with Integrated LED Light and Ionizers
    Group of 12 products
    6601-PP-25 76047
    From
    $1,331
    Some ship in 1 - 3 days
    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
  6. Stocked
    Smart® WhisperFlow® Fan Filter Units (EC Motor)
    Group of 24 products
    6601-PP-10 72255
    From
    $1,111
    Some ship in 0 - 2 days
    CE Mark LogoCE Mark LogoULus ListedULus ListedBioSafe classic logoBioSafe classic logoWhisperFlowWhisperFlowStockedStocked
    1 Voltage2 Material3 Size2 Filter2 Filter Replacement Access

    Voltage: 120/230 V
    Material: Stainless Steel, Powder-Coated Steel
    Size: 2'x3', 2'x2', 2'x4'
    Filter: HEPA, ULPA
    Filter Replacement Access: Room-Side, Top Side
  7. Stocked
    Explosion-Proof Fan Filter Units
    Group of 6 products
    6601-PP-12 72257
    From
    $3,164
    Some ship in 0 - 6 days
    ULus ListedULus ListedExplosion Proof IconExplosion Proof IconBioSafe classic logoBioSafe classic logoWhisperFlowWhisperFlowStockedStocked
    1 Voltage1 Material3 Size2 Filter2 Filter Replacement Access

    Voltage: 120/240 V
    Material: Stainless Steel
    Size: 2'x2', 2'x3', 2'x4'
    Filter: ULPA, HEPA
    Filter Replacement Access: Room-Side, Top Side
  8. Stocked
    Filtered Laminar Flow Diffusers
    Group of 6 products
    6601-PP-08 72253
    From
    $446
    Some ship in 1 - 3 days
    StockedStocked
    1 Voltage1 Material3 Size1 Filter2 Filter Replacement Access

    Voltage: None
    Material: Powder-Coated Steel
    Size: 2'x2', 2'x3', 2'x4'
    Filter: HEPA
    Filter Replacement Access: Top Side, Room-Side
  9. Stocked
    Narrow WhisperFlow® Fan Filter Units
    Group of 12 products
    6601-PP-17 73038
    From
    $792
    Some ship in 0 - 2 days
    CE Mark LogoCE Mark LogoULus ListedULus ListedBioSafe classic logoBioSafe classic logoWhisperFlowWhisperFlowStockedStocked
    2 Voltage2 Material3 Size1 Filter1 Filter Replacement Access

    Voltage: 120 V, 240 V
    Material: Powder-Coated Steel, Stainless Steel
    Size: 16" x 48", 16" x 24", 16" x 36"
    Filter: HEPA
    Filter Replacement Access: Top Side
  10. Low Profile Fan Filter Units
    Group of 3 products
    6601-PP-26 76561
    From
    $792
    Some ship in 5 - 9 days
    WhisperFlowWhisperFlowStockedStocked
    1 Voltage1 Material3 Size1 Filter1 Filter Replacement Access1 Filter Type

    • Low profile 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
    Material: Powder-Coated Steel
    Size: 2'x4', 2'x3', 2'x2'
    Filter: HEPA
    Filter Replacement Access: Top Side
    Filter Type: HEPA
  11. Stocked
    Smart® Control Panels for Fan Filter Unit (FFU) Systems
    Group of 10 products
    6702-PP-01 72268
    From
    $3,768
    Some ship in 0 - 2 days
    StockedStocked
    1 Data Logging4 Control Level4 Max # of Rooms5 Max # of FFU's4 Display2 FFU Control

    Data Logging: Yes
    Control Level: Tier 1, Tier 2, Tier 3, Tier 4
    Max # of Rooms: 5, 6, 12, 16
    Max # of FFU's: 50, 100, 120, 200, N/A
    Display: 2.4", 3.5", 7", 12.1"
    FFU Control: Remote, N/A
  12. Stocked
    WhisperFlow® Portable HEPA Filtration System (6601-66)
    $3,721
    Usually ships in 1 - 3 days
    WhisperFlowWhisperFlowStockedStocked

  13. Stocked
    WhisperFlow® Reverse-Flow Fan Filter Units
    Group of 25 products
    6601-PP-09 72254
    From
    $1,160
    Some ship in 1 - 3 days
    CE Mark LogoCE Mark LogoULus ListedULus ListedWhisperFlowWhisperFlowStockedStocked
    4 Voltage2 Material3 Size2 Filter2 Filter Replacement Access2 FFU Type1 Filter 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, 115 V, 230 V
    Material: Powder-Coated Steel, Stainless Steel
    Size: 2'x4', 2'x3', 2'x2'
    Filter: HEPA, ULPA
    Filter Replacement Access: Top Side, Room-Side w/ Dust Collector Pan
    FFU Type: Ductless, Ducted
    Filter Type: HEPA
  14. Stocked
    Explosion-Proof Fan Filter Units, Reverse Flow
    Group of 3 products
    6601-PP-19 73044
    From
    $4,077
    Some ship in 1 - 3 days
    ULus ListedULus ListedCE Mark LogoCE Mark LogoStockedStockedExplosion Proof IconExplosion Proof IconWhisperFlowWhisperFlowBioSafe classic logoBioSafe classic logo
    1 Voltage1 Material3 Size1 Filter1 Filter Replacement Access

    Voltage: 120 V
    Material: Stainless Steel
    Size: 2'x4', 2'x3', 2'x2'
    Filter: ULPA
    Filter Replacement Access: Top Side
  15. Heated Fan Filter Units
    Group of 12 products
    6601-PP-16 73037
    From
    $1,505
    Some ship in 10 - 14 days
    WhisperFlowWhisperFlow
    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
  16. StockedStocked

  17. StockedStocked

  18. Stocked
    Fan Filter Unit Mounting Frames
    Group of 3 products
    6604-PP-04 72266
    From
    $259
    Some ship in 1 - 3 days
    StockedStocked
    1 Material3 Size

    Material: Stainless Steel
    Size: 2'x2', 2'x3', 2'x4'
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206 products meet your criteria.

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Features and Benefits

Smart Fan Filter Unit with EC Motor

Smart WhisperFlow® Fan Filter Units are quiet, energy-efficient and easily adjustable, either manually or via automatic smart console, for centralized fan speed control and cleanroom pressure balancing.

Air Flow Uniformity to Improve Laminar Flow

Non-uniform air speeds produce turbulence that can recirculate particles into the air stream. Unique WhisperFlow® FFU baffling system and anodized diffuser plate promotes uniform laminar airflow to minimize turbulence and effectively carry away contaminating particles.

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).

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

COVID-19 Infection Control

Terra’s in-stock ceiling-mounted reverse-flow ducted filter fan units convert any space into a negative pressure isolation room

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.

Clean and Durable Powder Coat Finish

Terra’s signature white powder coat finish provides a clean aesthetic plus durable barrier to protect against corrosion. The formulation exceeds ASTM and ISO paint standards for hardness, thickness, humidity resistance, gloss and impact testing.

WhisperFlow Quiet Operation Reduces Distracting Background Noise

Exposure to loud noises can lower the ability to focus on work and listen selectively in conversations. Typical AC units measure ~60 dB at 100 ft. 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.

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.

Fan Filter Units

  • 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'
  • Fan Filter Unit with Vapor-Removal and Sanitizing Module Full Range of Designs, Configurations!
  • 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
  • Ducted Reverse-Flow Fan Filter Unit COVID-19 Infection Control

Technical Resources

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