Fan Filter Units

195 products meet your criteria.

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  1. 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 LogoULus LogoStockedStockedWhisperFlowWhisperFlowBioSafe classic logoBioSafe classic logo
    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
  2. 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
    ULus ListedULus ListedStockedStocked
    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
  3. 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 LogoULus LogoStockedStockedWhisperFlowWhisperFlowBioSafe classic logoBioSafe classic logo
    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
  4. 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 ListedStockedStockedExplosion Proof IconExplosion Proof IconWhisperFlowWhisperFlowBioSafe classic logoBioSafe classic logo
    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
  5. 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
  6. Stocked
    Narrow WhisperFlow® Fan Filter Units
    Group of 11 products
    6601-PP-17 73038
    From
    $792
    Some ship in 0 - 2 days
    ULus LogoULus LogoCE Mark LogoCE Mark LogoStockedStockedWhisperFlowWhisperFlow
    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
  7. Low Profile Fan Filter Units
    Group of 3 products
    6601-PP-26 76561
    From
    $792
    Some ship in 5 - 9 days
    StockedStocked
    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
  8. Stocked
    WhisperFlow® Portable HEPA Filtration System (6601-66)
    $3,721
    Usually ships in 1 - 3 days
    WhisperFlowWhisperFlowStockedStocked

  9. Stocked
    Smart® Control Panels for Fan Filter Unit (FFU) Systems
    Group of 5 products
    6702-PP-01 72268
    From
    $1,688
    Some ship in 1 - 3 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" Screen, 3.5" Screen, 7" Screen, 12.1" Screen
    FFU Control: Remote, N/A
  10. Stocked
    WhisperFlow® Reverse-Flow Fan Filter Units
    Group of 24 products
    6601-PP-09 72254
    From
    $1,160
    Some ship in 1 - 3 days
    CE Mark LogoCE Mark LogoULus LogoULus LogoStockedStockedWhisperFlowWhisperFlowBioSafe classic logoBioSafe classic logo
    3 Voltage2 Material3 Size2 Filter2 Filter Replacement Access2 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'x4', 2'x3', 2'x2'
    Filter: HEPA, ULPA
    Filter Replacement Access: Top Side, Room-Side w/ Dust Collector Pan
    FFU Type: Ductless, Ducted
  11. 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
  12. 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
  13. StockedStocked

  14. StockedStocked

  15. Stocked
    Fan Filter Unit Mounting Frames
    Group of 3 products
    6604-PP-04 72266
    From
    $259
    Some ship in 1 - 3 days
    ULus LogoULus LogoWhisperFlowWhisperFlowStockedStocked
    1 Voltage1 Material3 Size

    Voltage: None
    Material: Stainless Steel
    Size: 2'x2', 2'x3', 2'x4'
  16. Stocked
    Replacement Filters, for Fan Filter Units
    Group of 31 products
    6601-PP-24 73641
    From
    $100
    Some ship in 1 - 3 days
    StockedStocked
    8 Size5 Filter Type

    Size: 2'x4', 2'x3', 2'x2', 16" x 24", 16" x 36", 16" x 48", 19.5" x 19.5", 14" x 19.5"
    Filter Type: HEPA, ULPA, HEPA, RSR, ULPA, RSR, MERV 7 Pre-Filter
Page 1 of 2

195 products meet your criteria.

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Features and Benefits

Quick-Connect Fittings

FFUs and lights can be easily added as cleanrooms requirements change, or disconnected for maintenance, without the need to run additional power lines or involve an electrician.

Non-Sparking Direct-Drive Motor

Explosion-proof motors use a non-sparking polypropylene fan and cast-iron brackets attached to the heavy duty rolled steel frame

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.

Air Flow Uniformity

Unique WhisperFlow® FFU baffling system and anodized diffuser plate promote uniform air speed across the filter face.

Full Range of Designs, Configurations!

WhisperFlow® FFFUs come in all styles: room-side replaceble, 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 capture many bacteria, viruses, 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.

Durable Powder Coating Finish

Terra’s durable powder coating formulation exceeds the ASTM and ISO paint standards for hardness, thickness, humidity resistance, gloss and impact testing.

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'
  • 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

blog post

Air Shower Protection for Cannabis Grow Rooms

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