Menu Terra Universal Home
Search
Terra Universal
Laboratory-Equipment
Terra Universal
Laboratory-Equipment
Menu
Units
US
Account
Cart
Quote
WhisperFlow Fan/Filter Units feature internal baffling and anodized aluminum diffuser panels provide quiet, uniform air fow | 6601-24-H displayed
Fan Filter Units,Fan Filter Units,Fan Filter Units,Fan Filter Units,Fan Filter Units,Fan Filter Units,Fan Filter Units,Fan Filter Units,Fan Filter Units,Fan Filter Units,Fan/Filter Units

Fan Filter Unit; WhisperFlow, 2'x4', HEPA, 120 V, Powder-Coated Steel

  • Available ISO Ratings: ISO 5, ISO 6, ISO 7, ISO 8
  • High Efficiency Particulate Air (HEPA) Filter: 99.99% efficient at 0.3µm particle diameter
  • AC 3-speed blower motor
  • FDA-approved silicone sealant
  • 120V adapter is included

• Type: WhisperFlow

• Material: Powder-Coated Steel

• Filter Replacement Access: Top Side

• Size: 2'x4'

• Filter Frame Material: Aluminum

• Filter: HEPA

• Motor Type: Permanent Split capacitor (PSC)

• Motor HP: 1/4 hp

• Airflow: Positive Pressure

• Speed Control: 3-Speed Switch

• Blower Type: Forward Curved

• Active Filter Face Area: 7.1 ft²

• Pre-Filter: MERV 7

• RoHS: Compliant

• Unit of Measure: EA

Read more
Stocked CE Mark Logo ULus Listed ISO 5 Icon Quick Ship +
Terra Part #: 6600-22
Manufactured By: Terra Universal
Warranty: 1 year parts, 90 days labor
Print
Need Help?

(714) 578-6100

Hours Mon - Fri, 07:00 AM - 06:00 PM (Pacific Time)

Chat

Want a quote quickly ?
Submit a QuickQuote request
6600-22
Terra Part # 6600-22
$1,296
Usually ships in 1-3 business days

Want it faster ? Read about FasTrak

Quick Ship+ 315 in stock
Accessories related to Terra Part # 6600-22
63583
Fan Filter Unit; WhisperFlow, 2'x4', HEPA, 120 V, Powder-Coated Steel
View Shopping Cart View Quote Cart
CHOOSE ACCESSORIES & BUY OR QUOTE
Details & Specs
Manuals & Resources
Related Products
Buy Accessories
Product Details
  • Available ISO Ratings: ISO 5, ISO 6, ISO 7, ISO 8
  • High Efficiency Particulate Air (HEPA) Filter: 99.99% efficient at 0.3µm particle diameter
  • AC 3-speed blower motor
  • FDA-approved silicone sealant
  • 120V adapter is included
  • Internal baffling plate and diffuser panel provide quiet uniform air flow across the filter face
  • 1/4-20 UNC threaded inserts on corners to allow suspension by guy-wires
  • MERV 7 pre-filter, 30% ASHRAE rated
  • Low-profile design is ideal for cleanrooms with limited ceiling space
  • Removable yellow power cord with 4-pin connector for easy installation to Terra cleanrooms (connector may be used with an optional wall plug adapter; or may be removed entirely to hard-wire the FFU)
  • Filters are leak tested in accord with IEST standards and meet UL 900
  • See performance data and submittal sheets for additional information
  • Optional Accessories:
  •           Challenge port kit
  •           Power plug adapter
  •           Stainless surface mount frame for installing FFU in ceiling without T-grid
  •           12" ducted inlet connection adapter
  •           Replacement filter
  •           Filter replacement alarm
  •           Eye bolt package
  •           Ionizing bar
  •           Pre-filter safety cover, for CE conformance
  •           Control panel with night mode switch and power distribution modules
  • All filter sales are final; returns for this item cannot be accepted
Show more

• Type: WhisperFlow

• Material: Powder-Coated Steel

• Filter Replacement Access: Top Side

• Size: 2'x4'

• Filter Frame Material: Aluminum

• Filter: HEPA

• Motor Type: Permanent Split capacitor (PSC)

• Motor HP: 1/4 hp

• Airflow: Positive Pressure

• Speed Control: 3-Speed Switch

• Blower Type: Forward Curved

• Active Filter Face Area: 7.1 ft²

• Pre-Filter: MERV 7

• RoHS: Compliant

• Unit of Measure: EA

• Marks & Listings: UL, ULC

• Electrical Specifications: 120 V, 3.8 A, 472 W, 1 Ph, 60 Hz

• Weight, Product: 50 lb

• Dimensions, Product: 23.63"W x 47.63"D x 12.51"H

• Weight, Shipping: 70 lb

• Dimensions, Shipping: 32.25" W x 58.25" D x 14.38" H

• Package Type: Palletized

Show more
Other products you may find relevant
  1. Filter replacement alarm system with integrated minihelic pressure gauge, light and buzzer | 2625-54B-SS displayed
    Filter Replacement Alarm System; for Fan Filter Unit, Audible Alert, Manual Override, Stainless Steel, 120 V
    $1,496
    Usually Ships in 1 - 3 days
  2. Power Distribution Module (PDM) for Tier System allows Smart monitoring and control of cleanroom; UL-listed system is scalable | 6600-29C-T displayed
    Group of 34 products
    Power Distribution Modules (PDMs) for Fan Filter Units (FFUs) From
    As low as $719
    Some ship in 0 - 2 days
  3. Cleanroom control panel with built-in Tier 4 touchscreen console; datalogging (pressure/temp/RH) and FFU control for up to 16 rooms, 200 FFUs | 6607-04 displayed
    Group of 10 products
    Smart® Control Panels for Fan Filter Unit (FFU) Systems From
    As low as $5,323
    Some ship in 1 - 3 days
  4. Ion bar kit safely neutralizes charges to protect against electro-static charges. Attaches to inside ceiling of glovebox. Ion bar sold separately. | 2005-92 displayed
    Group of 4 products
    Ionizing Bars From
    As low as $548
    Some ship in 1 - 3 days
  5. Provides efficient disinfection of cleanrooms and laboratories | 3800-26 displayed
    Germicidal UV Illuminator; for Modular Cleanrooms, Universal, 120 V
    $2,816
    Usually Ships in 1 - 3 days
  6. 2' x 2' Cleanroom LED light panel with emergency battery back-up in case of power failure | 3800-48 displayed
    LED Light Panel with Built-In Emergency Battery, 2' x 2', Cleanroom-Grade
    $1,047
    Usually Ships in 2 - 4 days
  7. Holds fan filter units secure in rigid ceilings without a T-bar grid. | 6604-00 displayed
    Group of 3 products
    Fan Filter Unit Mounting Frames From
    As low as $319
    Some ship in 0 - 2 days
  8. 2'W x 4'D LED panel mounted in Terra Universal Cleanroom | 3800-41 displayed
    Group of 7 products
    LED Light Panels From
    As low as $111
    Some ship in 0 - 2 days
  9. Double stacked cleanroom LED strip lights installed to the ceiling of a cleanroom | 3800-40A displayed
    LED Light; Double Stacked Strips
    Request Quote
    Usually Ships in 10 - 14 days
  10. | 6703-81 displayed
    Group of 8 products
    Cleanroom Ceiling Panels and Tiles From
    As low as $38
    Some ship in 0 - 2 days
Buy Accessories
  1. Provides a stream of static-neutralizing ions to protect ESD-sensitive components.
    Ion Bar, 44", 8 Emitters, Uninstalled, 120 V Quick Ship+ In stock
    $997
    Increase Down Increase Up
  2. Holds fan filter units secure in ceilings without grid. | 6604-01 displayed
    FFU or Light Panel Mounting Frame; Stainless Steel, 2' x 4' Quick Ship+ 135 in stock
    $338
    Increase Down Increase Up
  3. Cable Extension, PVC, 4 Poles, 5M, 22awg, 300V, straight male to straight female with close-up | 6601-39 displayed
    Cable Extension; FFU to PDM, 12ft, PVC, 4 Pins, 300VAC, 5.5A
    $80
    Increase Down Increase Up
  4. Simplifies filter leak testing and connection of Filter Backpressure Alarm | 6601-99 displayed
    Challenge Port, Kit; for Fan/Filter Unit Only 1 left in stock
    $89
    Increase Down Increase Up
  5. Filter replacement alarm system with integrated minihelic pressure gauge, light and buzzer | 2625-54B-SS displayed
    Filter Replacement Alarm System; for Fan Filter Unit, Audible Alert, Manual Override, Stainless Steel, 120 V Quick Ship+ 42 in stock
    $1,496
    Increase Down Increase Up
  6. Night service switch, shown mounted on Modular Hardwall Cleanroom panel, puts FFUs in low-energy mode during off-hours | 6601-70 displayed
    Night Service Switch
    $147
    Increase Down Increase Up
  7. Suitable for air handling | 6602-40 displayed
    Module, UV-C Sanitizing; Residential Air Treatment System; 120V, 1.1A, 60Hz 39 in stock
    $181
    Increase Down Increase Up
  8. Four-pin power cord adapter for fan/filter unit allows connection to standard 120VAC/60Hz power receptacle | 6601-13 displayed
    Cord Adapter, MIN4 PL to 16AWG Power Cord for Terra Fan/Filter Unit, 300V, 10A Quick Ship+ 7420 in stock
    $64
    Increase Down Increase Up
  9. FFU Connect pack includes flexible ducting and all hardware required to connect and seal the duct. | 6601-01 displayed
    FFU Connect Pack for Cleanrooms, 12" Dia. x 25'L Insulated Ducting In stock
    $202
    Increase Down Increase Up
  10. Duct Flange Adapter for standard FFUs; 12" dia, 19.5" W x 19.5" D x 2" H, galvanized steel
    Duct Flange Adapter for standard FFUs; 12" dia, 19.5" W x 19.5" D x 2" H, galvanized steel Quick Ship+ 165 in stock
    $153
    Increase Down Increase Up
  11. FFU Testing and Certification; Flow Rate and Filter integrity
    FFU Testing and Certification; Flow Rate and Filter integrity
    Request Quote
    Increase Down Increase Up
  12. FasTrak 24-7 Expediting Service
    FasTrak 24-7 Expediting Service
    Request Quote
    Increase Down Increase Up
  13. Warranty; 2 Year, Terra-Manufactured Product, Parts
    Warranty; 2 Year, Terra-Manufactured Product, Parts
    Request Quote
    Increase Down Increase Up
  14. Warranty; 3 Year, Terra-Manufactured Product, Parts
    Warranty; 3 Year, Terra-Manufactured Product, Parts
    Request Quote
    Increase Down Increase Up
  15. High Efficiency Particle Filter is rated 99.99% efficient @ 0.3 µm diameter particles | 6601-25 displayed
    Filter; HEPA, 2'x4', Aluminum, Rated 99.99% efficient Quick Ship+ 2437 in stock
    $616
    Increase Down Increase Up
  16. MERV 7 pre-filter for Terra Fan Filter Units (FFUs) | 6601-34 displayed
    MERV 7 Pre-Filters for FFUs; Replacements, 19.5" x 19.5" x 7/8 thk., 4 Pack Quick Ship+ 115 in stock
    $183
    Increase Down Increase Up
  17. High Efficiency Particle Filter is rated 99.99% efficient @ 0.3 µm diameter particles | 6601-25 displayed
    Filter; HEPA, 2'x4', Aluminum, Rated 99.99% efficient Quick Ship+ 2437 in stock
    $616
    Increase Down Increase Up
  18. Four-pin power cord adapter for fan/filter unit allows connection to standard 120VAC/60Hz power receptacle | 6601-13 displayed
    Cord Adapter, MIN4 PL to 16AWG Power Cord for Terra Fan/Filter Unit, 300V, 10A Quick Ship+ 7420 in stock
    $64
    Increase Down Increase Up

Fan Filter Units

  • Terra Universal WhisperFlow® Filter Fan Units Terra Universal WhisperFlow® Filter Fan Units
  • Portable HEPA Filtration System Watch Terra's Portable HEPA Filtration System Video
Terra Universal WhisperFlow® Filter Fan Units
Overview video of Terra Universal's comprehensive portfolio of filter fan units Terra Universal WhisperFlow® Filter Fan Units Overview video of Terra Universal's comprehensive portfolio of filter fan units
Portable HEPA Filtration System
Terra's in stock portable HEPA filtration systems provide high quality and medical grade air filtration for your ambient environment. Watch Terra's Portable HEPA Filtration System Video The mobile/ self contained filtration system converts to any room to a negative pressure isolation room which then makes it well suited for medical clinics, schools, waiting rooms and other confined areas.

Features and Benefits

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.

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.

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

Catalog of CE-Marked Products

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

Products Compliant With Your ISO Rating

High-capacity, durable, ISO-compliant system rated for thousands of operating hours.
Popular Accessories
For a full list of accessories, select a product then click Choose Accessories on that product page.
  • Power Distribution Modules for Cleanroom FFUs, Lights

    Power Distribution Modules for Cleanroom FFUs and Lights

    UL-listed power distribution modules include all breakers, transformers and other electrical components for FFU/light connections; allows fast addition or relocation of FFUs or lights without the need for rewiring.
  • Ionizing Bar Installed on Cleanroom Fan/Filter Unit

    Ionizing Bar; 22"L, with Installation Kit, for 24 x 24 Fan/Filter Unit

    Ionizing bar, mounted to Fan/Filter Unit, provides a balanced stream of ions to the work area below to neutralize static charge and prevent electro-static discharge; 22" bar shown installed on 2' x 2' FFU.
  • Night Service Swtich for Clean Room Fan Filter Units

    Night Service Saves Energy, Extends Filter Life!

    Night service switch, shown mounted on Modular Hardwall Cleanroom panel, puts FFUs in low-energy mode during off-hours; saves 25% of fan operating costs and extends filter life.
  • Filter Replacement Alarm for Fan Filter Unit

    Filter Replacement Alarm

    The filter replacement alarm monitors filter backpressure and issues an alarm when filter needs replaced (requires selection of fan filter unit with challenge port, order separately).
  • Fan Filter Unit Power Cord Adapter

    Cord Adapter, MIN4 PL to 16AWG Power Cord for Terra Fan/Filter Unit

    Four-pin power cord adapter for fan/filter unit allows connection to standard 120VAC/60Hz power receptacle.
  • Fan Filter Unit Mounting Frame, for Ceiling Installation

    FFU Mounting Frame; Stainless Steel

    Stainless steel Fan Filter Unit (FFU) mounting frame supports FFU on drywall or other rigid ceiling material, viewed from above ceiling panel (FFU not included).
  • Fan Filter Unit Control System

    Fan Filter Unit Control System

    Provides room-by-room monitoring and control of Smart WhisperFlow FFUs to maintain target pressure differentials for ISO classification; temperature, humidity and particle monitoring and data logging, as well as dynamic fan set-point control, also available.
  • ceiling cover panels to help spray down cleanroom ceilings

    Filter Covers Allow Ceiling Wash-Down

    Ceiling panel covers allow wash-down and sterilization of cleanroom walls and ceilings without damage to filter medium; requires BioSafe glass or stainless steel wall panels, which stand up to biocides.

  • Challenge Port for Fan Filter Unit

    Challenge port for Fan/Filter Units simplifies filter leak testing and connection of Filter Backpressure Alarm (shown with optional pressure gauge; must be ordered with FFU).
Products similar to this one
  1. Smart Fan Filter Unit with EC motor meets low-energy requirements (2' x 2' model shown) | 6601-22-H-EC displayed
    Group of 30 products
    Smart® WhisperFlow® Fan Filter Units (EC Motor) From
    As low as $1,460
    Some ship in 0 - 2 days
  2. Explosion-proof RSR FFU allows filter access from inside the cleanroom enclosure. (6601-24A-URE model shown) | 6601-22A-URE displayed
    Group of 6 products
    Explosion-Proof Fan Filter Units From
    As low as $5,938
    Some ship in 0 - 2 days
  3. WhisperFlow® HEPA Fan Filter Unit designed for narrow hoods and other enclosure, 16" x 24" | 6601-1624-H displayed
    Group of 8 products
    Narrow WhisperFlow® Fan Filter Units From
    As low as $1,278
    Some ship in 0 - 2 days
  4. ULPA filtered fan unit with heater up to 100F, for cleanroom applications | 6601-24-UT displayed
    Group of 12 products
    Heated Fan Filter Units From
    As low as $2,375
    Some ship in 0 - 2 days
Other products you may find relevant
  1. Filter replacement alarm system with integrated minihelic pressure gauge, light and buzzer | 2625-54B-SS displayed
    Filter Replacement Alarm System; for Fan Filter Unit, Audible Alert, Manual Override, Stainless Steel, 120 V
    $1,496
    Usually Ships in 1 - 3 days
  2. Power Distribution Module (PDM) for Tier System allows Smart monitoring and control of cleanroom; UL-listed system is scalable | 6600-29C-T displayed
    Group of 34 products
    Power Distribution Modules (PDMs) for Fan Filter Units (FFUs) From
    As low as $719
    Some ship in 0 - 2 days
  3. Cleanroom control panel with built-in Tier 4 touchscreen console; datalogging (pressure/temp/RH) and FFU control for up to 16 rooms, 200 FFUs | 6607-04 displayed
    Group of 10 products
    Smart® Control Panels for Fan Filter Unit (FFU) Systems From
    As low as $5,323
    Some ship in 1 - 3 days
  4. Ion bar kit safely neutralizes charges to protect against electro-static charges. Attaches to inside ceiling of glovebox. Ion bar sold separately. | 2005-92 displayed
    Group of 4 products
    Ionizing Bars From
    As low as $548
    Some ship in 1 - 3 days
  5. Provides efficient disinfection of cleanrooms and laboratories | 3800-26 displayed
    Germicidal UV Illuminator; for Modular Cleanrooms, Universal, 120 V
    $2,816
    Usually Ships in 1 - 3 days
  6. 2' x 2' Cleanroom LED light panel with emergency battery back-up in case of power failure | 3800-48 displayed
    LED Light Panel with Built-In Emergency Battery, 2' x 2', Cleanroom-Grade
    $1,047
    Usually Ships in 2 - 4 days
  7. Holds fan filter units secure in rigid ceilings without a T-bar grid. | 6604-00 displayed
    Group of 3 products
    Fan Filter Unit Mounting Frames From
    As low as $319
    Some ship in 0 - 2 days
  8. 2'W x 4'D LED panel mounted in Terra Universal Cleanroom | 3800-41 displayed
    Group of 7 products
    LED Light Panels From
    As low as $111
    Some ship in 0 - 2 days
  9. Double stacked cleanroom LED strip lights installed to the ceiling of a cleanroom | 3800-40A displayed
    LED Light; Double Stacked Strips
    Request Quote
    Usually Ships in 10 - 14 days
  10. | 6703-81 displayed
    Group of 8 products
    Cleanroom Ceiling Panels and Tiles From
    As low as $38
    Some ship in 0 - 2 days

On a tight schedule? Choose FasTrak 24/7 Priority Service to help meet your critical schedule for Terra-manufactured products, either before or after your order is placed.*

  • FasTrak 24/7 provides a 24/7 commitment to meet the shipping date YOU specify, regardless of quoted lead times.
  • FasTrak 24/7 assigns a dedicated production team plus a dedicated senior expeditor working three shifts to meet your delivery specification.
  • FasTrak 24/7 guarantees* to meet the agreed-to specified ship date.

Call for pricing. FasTrak service fees cover costs of additional services only, without additional profit.

 * Terra's FasTrak services limited guarantee: to ship on the ESD or date specified OR to refund up to 100% of FasTrak charges. This guarantee covers no direct, special, consequential or other damages and is strictly limited to up to 100% of the amount paid for FasTrak service. When a specified ship date is missed due to factors outside Terra's control (vendor performance, deliveries by shipping companies, etc.) and random factors such as accidents, the credit of up to 100% of the FasTrak 24/7 may not apply. FasTrak service requested after order placement will be quoted and accepted based on available time remaining before required ship date.

Terra Universal Home

Receive 10% OFF your first order.