Worldwide Pricing and Secure Global Shipping Available!
  • Get a QuickQuote
  • Free Consultation (714) 578-6016
  • Track Order
    Sorry, no orders are open for tracking
Menu Laboratory-Equipment Home
Search
Menu
Units
US
Account
Cart
Quote
Reverse flow FFU with removable filter converts any room into a negative pressure isolation/containment room. | 6601-22B-HVR displayed
Vaccine Cold Storage Equipment

Base Part # 6601-23B-HVR

Fan Filter Unit; Reverse-Flow, RSR, 2'x3', HEPA, 120 V, Powder-Coated Steel, WhisperFlow

Terra Part #: 6601-23B-HVR
Manufactured By: Terra Universal
Warranty: 1 year parts, 90 days labor
LTL freight shipment. Dock or liftgate may be required.
  • Available Certified ISO Grade Designs: ISO 6, ISO 7, ISO 8
  • 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

• Type: Reverse-Flow, RSR

• Material: Powder-Coated Steel

• Filter Replacement Access: Room-Side w/ Dust Collector Pan

• Size: 2'x3'

• Filter Frame Material: Aluminum

• Filter: HEPA

• Motor Type: Permanent Split Capacitor (PSC)

• Motor HP: 1/4 hp

• Airflow: Negative Pressure

• Speed Control: Variable Speed Control

• FFU Type: Ductless

• Blower Type: Backward Curved

• Active Filter Face Area: 5.3 ft²

• Pre-Filter: MERV 7

• Certified ISO Grade Design: ISO 6

• ISO Rated Air Cleanliness: ISO 5

• Unit of Measure: EA

Read more
Stocked ULus Listed WhisperFlow ISO 6 Icon Quick Ship +
Terra Part #: 6601-23B-HVR
Manufactured By: Terra Universal
Warranty: 1 year parts, 90 days labor
LTL freight shipment. Dock or liftgate may be required.
VIEW SPECS Download Manual
Need Help?

(714) 578-6100

Mon-Fri, 7am - 6pm PST

Chat

Want a quote quickly ?
Submit a QuickQuote request
System Summary
Fan Filter Unit; Reverse-Flow, RSR, 2'x3', HEPA, 120 V, Powder-Coated Steel, WhisperFlow
Fan Filter Unit; Reverse-Flow, RSR, 2'x3', HEPA, 120 V, Powder-Coated Steel, WhisperFlow

In stock

$2,054 / system Estimated Total: Tax calculated at checkout $2,054

Save For Later
Quick Ship+ Available
Usually ships in 1-3 business days
Want it faster? Read about FasTrak
Selected Items
    Customize Fan Filter Unit; Reverse-Flow, RSR, 2'x3', HEPA, 120 V, Powder-Coated Steel, WhisperFlow
    Replacement HEPA and ULPA Filters

    Replacement Filters

    To avoid shutdowns, order replacement filters at time of Fan/Filter Unit purchase
    Fan Filter Unit; Reverse-Flow, RSR, 2'x3', HEPA, 120 V, Powder-Coated Steel, WhisperFlow
    Fan Filter Unit; Reverse-Flow, RSR, 2'x3', HEPA, 120 V, Powder-Coated Steel, WhisperFlow 6601-23B-HVR Quick Ship+ Available 1 required Only 9 left in stock
    $1,965
    Increase Down Increase Up
    MERV 7 Pre-Filters for FFUs; Replacements, 4 Pack, 19.5
    MERV 7 Pre-Filters for FFUs; Replacements, 4 Pack, 19.5" x 19.5" x 7/8 thk. Quick Ship+ Available 387 in stock
    $187
    Increase Down Increase Up
    MERV 7 Pre-Filters for FFUs; Replacements, 12 Pack, 19.5
    MERV 7 Pre-Filters for FFUs; Replacements, 12 Pack, 19.5" x 19.5" x 7/8 thk. Quick Ship+ Available 15 in stock
    $499
    Increase Down Increase Up
    Carbon Pre-Filters for FFUs; Replacements, 4 Pack, 19.5
    Carbon Pre-Filters for FFUs; Replacements, 4 Pack, 19.5" x 19.5" x 7/8" thk.
    $187
    Increase Down Increase Up
    Carbon Pre-Filters for FFUs; Replacements, 12 Pack, 19.5
    Carbon Pre-Filters for FFUs; Replacements, 12 Pack, 19.5" x 19.5" x 7/8" thk.
    $499
    Increase Down Increase Up

    Design

    Select optional design modifications. Unavailable for items from stock.
    Upgrade FFU to Walkable Design
    Upgrade FFU to Walkable Design
    Custom-configured product. Contact Lab Equip by phone, chat or email for a project-specific quote.
    Request Quote
    Filter; HEPA, RSR, 2'x3', Aluminum, Rated 99.99% efficient, for Roomside Replaceable FFU, Roomside Challenge Port
    Filter; HEPA, RSR, 2'x3', Aluminum, Rated 99.99% efficient, for Roomside Replaceable FFU, Roomside Challenge Port 14 in stock
    $766
    Increase Down Increase Up

    Accessories

    Optional add-ons designed to enhance your system
    Filter screen for 2' x 3' RSR FFU, 304 SS, 33.812
    Filter screen for 2' x 3' RSR FFU, 304 SS, 33.812" W x 21.875" D In stock
    $185
    Increase Down Increase Up
    Duct Flange Adapter for standard FFUs; 12
    Duct Flange Adapter for standard FFUs; 12" dia, 19.5" W x 19.5" D x 2" H, galvanized steel Quick Ship+ Available Only 10 left in stock
    $164
    Increase Down Increase Up
    Challenge Port, Kit; for Fan/Filter Unit
    Challenge Port, Kit; for Fan/Filter Unit In stock
    $89
    Increase Down Increase Up
    Universal™ Filter Replacement Alarm; for Fan Filter Unit, Audible & Visible Alert, Stainless Steel, 120 V
    Universal™ Filter Replacement Alarm; for Fan Filter Unit, Audible & Visible Alert, Stainless Steel, 120 V Quick Ship+ Available
    $801
    Increase Down Increase Up
    Challenge Port, Kit; for Fan/Filter Unit
    Challenge Port, Kit; for Fan/Filter Unit 6601-99 1 required In stock
    $89
    Increase Down Increase Up
    Cable Extension; FFU to PDM, 12ft, PVC, 4 Pins, 300VAC, 5.5A
    Cable Extension; FFU to PDM, 12ft, PVC, 4 Pins, 300VAC, 5.5A In stock
    $80
    Increase Down Increase Up
    Eyebolts, 1/4
    Eyebolts, 1/4" - 20 thread, for FFU, 4 pack Quick Ship+ Available 112 in stock
    $24
    Increase Down Increase Up
    CleanWatch+® DualZone™ Environmental Monitoring System; Particle Counts (Inside/Outside), Differential Pressure, Cloud Data Logging
    CleanWatch+® DualZone™ Environmental Monitoring System; Particle Counts (Inside/Outside), Differential Pressure, Cloud Data Logging In stock soon
    $2,671
    Increase Down Increase Up
    None
    Remove
    Control Panel w/ Filter Alarm and Night Switch; for Hardwall CR, External-Mount Panel, 24 V
    Control Panel w/ Filter Alarm and Night Switch; for Hardwall CR, External-Mount Panel, 24 V Quick Ship+ Available In stock
    $4,629
    Increase Down Increase Up
    Remove
    Cord Adapter, MIN4 PL to 16AWG Power Cord for Terra Fan/Filter Unit, 300V, 10A
    Cord Adapter, MIN4 PL to 16AWG Power Cord for Terra Fan/Filter Unit, 300V, 10A Quick Ship+ Available In stock
    $68
    Increase Down Increase Up
    Pre-Filter Safety Cover, aluminum, for CE conformance
    Pre-Filter Safety Cover, aluminum, for CE conformance Quick Ship+ Available 29 in stock
    $46
    Increase Down Increase Up

    Services

    Select services to request details and quotes.
    ISO Rated FFU Testing and Certification; Flow Rate and Filter integrity
    ISO Rated FFU Testing and Certification; Flow Rate and Filter integrity
    Custom-configured product. Contact Lab Equip by phone, chat or email for a project-specific quote.
    Request Quote
    FasTrak 24-7 Expediting Service
    FasTrak 24-7 Expediting Service
    Custom-configured product. Contact Lab Equip by phone, chat or email for a project-specific quote.
    Request Quote
    Service, ISO Grade Certificate, ISO 6
    Service, ISO Grade Certificate, ISO 6
    Request Quote
    Warranty; 2 Year, Fan Filter Units, Parts
    Warranty; 2 Year, Fan Filter Units, Parts
    Custom-configured product. Contact Lab Equip by phone, chat or email for a project-specific quote.
    Request Quote
    UL Listing Declaration for Fan/Filter Units
    UL Listing Declaration for Fan/Filter Units
    Request Quote
    Sealed Filter Frame Upgrade for FFUs
    Sealed Filter Frame Upgrade for FFUs
    Custom-configured product. Contact Lab Equip by phone, chat or email for a project-specific quote.
    Request Quote

    * Required Fields

    Other products you may find relevant
    1. Lightweight 6-channel airborne particle counter with a sensitivity range from 0.2- 2.0 μm; ideal for spot-checking critical environments and cleanrooms
      Group of 4 products
      Lighthouse Handheld Airborne Particle Counters by LWS From
      As low as $3,824
      Some ship in 5 - 10 days
    2. Filter replacement alarm system with integrated minihelic pressure gauge, light and buzzer | 2625-54B-SS displayed
      Group of 2 products
      Filter Replacement Alarm System for Fan Filter Units From
      As low as $801
      Some ship in 1 - 3 days
    3. Be prepared! Don't get left in the dark. Emergency lighting panels give you enough time to get to safety or to work through a minor power interuption. | 3800-47A displayed
      Group of 2 products
      Cleanroom LED Light Panel with Built-In Emergency Battery From
      As low as $1,121
      Some ship in 2 - 4 days
    Buy Accessories
    1. MERV 7 pre-filter for Terra Fan Filter Units (FFUs)), 4 pack | 6601-34 displayed
      MERV 7 Pre-Filters for FFUs; Replacements, 4 Pack, 19.5" x 19.5" x 7/8 thk.
      $187
      Usually Ships in 1 - 3 days
    2. MERV 7 pre-filter for Terra Fan Filter Units (FFUs)), 12 pack | 6603-84 displayed
      MERV 7 Pre-Filters for FFUs; Replacements, 12 Pack, 19.5" x 19.5" x 7/8 thk.
      $499
      Usually Ships in 1 - 3 days
    3. 4 Pack of Activated Carbon Pleated Prefilters for odor and gas removal provides high efficiency for adsorbing odors and controlling airborne irritants | 6702-63 displayed
      Carbon Pre-Filters for FFUs; Replacements, 4 Pack, 19.5" x 19.5" x 7/8" thk.
      $187
      Usually Ships in 15 - 19 days
    4. 12 pack of Activated Carbon Pleated Prefilters for odor and gas removal provides high efficiency for adsorbing odors and controlling airborne irritants | 6702-64 displayed
      Carbon Pre-Filters for FFUs; Replacements, 12 Pack, 19.5" x 19.5" x 7/8" thk.
      $499
      Usually Ships in 15 - 19 days
    5. 500 lbs capacity on each side of fan filter unit
      Upgrade FFU to Walkable Design
      Request Quote
      Usually Ships in 5 - 9 days
    6. Roomside replaceable challenge port filter provides an optimized method for filter leak testing
      Filter; HEPA, RSR, 2'x3', Aluminum, Rated 99.99% efficient, for Roomside Replaceable FFU, Roomside Challenge Port
      $766
      Usually Ships in 1 - 3 days
    7. 2’x3’ perforated 304 stainless steel, 12 gauge screen for room-side-replaceable fan filter unit | 6601-63 displayed
      Filter screen for 2' x 3' RSR FFU, 304 SS, 33.812" W x 21.875" D
      $185
      Usually Ships in 1 - 3 days
    8. Galvanized steel flange adapter mounts to standard FFUs for sealed duct connections and long-term cleanroom airflow performance | 6601-03 displayed
      Duct Flange Adapter for standard FFUs; 12" dia, 19.5" W x 19.5" D x 2" H, galvanized steel
      $164
      Usually Ships in 1 - 3 days
    9. Simplifies filter leak testing and connection of Filter Backpressure Alarm | 6601-99 displayed
      Challenge Port, Kit; for Fan/Filter Unit
      $89
      Usually Ships in 0 - 2 days
    10. Filter replacement alarm system with integrated minihelic pressure gauge, light and buzzer | 2625-54B-SS displayed
      Universal™ Filter Replacement Alarm; for Fan Filter Unit, Audible & Visible Alert, Stainless Steel, 120 V
      $801
      Usually Ships in 1 - 3 days
    11. Plug male female 4 pin 12 feet mini change cordset | 6601-39 displayed
      Cable Extension; FFU to PDM, 12ft, PVC, 4 Pins, 300VAC, 5.5A
      $80
      Usually Ships in 0 - 6 days
    12. Eyebolt with 1/4"-20 thread for lifting FFUs | 6601-02 displayed
      Eyebolts, 1/4" - 20 thread, for FFU, 4 pack
      $24
      Usually Ships in 1 - 3 days
    13. Monitors airborne particles and differential pressure in cleanroom zones | 6607-14 displayed
      CleanWatch+® DualZone™ Environmental Monitoring System; Particle Counts (Inside/Outside), Differential Pressure, Cloud Data Logging
      $2,671
      Usually Ships in 5 - 7 days
    14. Cleanroom control panel provides centralized control and monitoring of cleanroom functions; status indicator LED blinks when FFU filters need replacement | 6600-23A-NS displayed
      Control Panel w/ Filter Alarm and Night Switch; for Hardwall CR, External-Mount Panel, 24 V
      $4,629
      Usually Ships in 5 - 7 days
    15. 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
      $68
      Usually Ships in 0 - 2 days
    16. Safety Cover Aluminum For CE Applications | 6601-15 displayed
      Pre-Filter Safety Cover, aluminum, for CE conformance
      $46
      Usually Ships in 1 - 3 days
    17. ISO Rated FFU Testing and Certification; Flow Rate and Filter integrity
      ISO Rated FFU Testing and Certification; Flow Rate and Filter integrity
      Request Quote
    18. FasTrak 24-7 Expediting Service
      FasTrak 24-7 Expediting Service
      Request Quote
    19. Service, ISO Grade Certificate, ISO 6
      Service, ISO Grade Certificate, ISO 6
      Request Quote
      Usually Ships in 5 - 9 days
    20. Warranty; 2 Year, Fan Filter Units, Parts
      Warranty; 2 Year, Fan Filter Units, Parts
      Request Quote
    21. UL Listing Declaration for Fan/Filter Units
      UL Listing Declaration for Fan/Filter Units
      Request Quote
      Usually Ships in 5 - 9 days
    22. Add-on design upgrade to have welded filter frames for USP 797 / 800 applications. | 9999-WF displayed
      Sealed Filter Frame Upgrade for FFUs
      Request Quote

    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.