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Room-side replaceable Fan Filter Unit allows filter servicing without cleanroom shut-down (shown: 2' x 4' models with all-304 stainless steel housing, filter fr | 6601-24A-URSS displayed

Base Part # 6601-24A-URSS

Fan Filter Unit; WhisperFlow®, RSR, 2'x4', ULPA, 120 V, Stainless Steel, BioSafe®

  • Available Certified ISO Grade™ Designs: ISO 5, ISO 6, ISO 7, ISO 8

• Type: WhisperFlow®, RSR

• Material: Stainless Steel

• Filter Replacement Access: Room-Side

• Size: 2'x4'

• Filter Frame Material: 304 Stainless Steel

• Filter: ULPA

• 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: 7.2 ft²

• Pre-Filter: MERV 7

• Certified ISO Grade™ Design: ISO 5

• ISO Rated™ Air Cleanliness: ISO 4

• RoHS: Compliant

• Unit of Measure: EA

Read more
Stocked ULus Listed WhisperFlow ISO 4 Icon Quick Ship +
Terra Part #: 6601-24A-URSS
Manufactured By: Terra Universal
Warranty: 1 year parts, 90 days labor
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System Summary
Fan Filter Unit; WhisperFlow®, RSR, 2'x4', ULPA, 120 V, Stainless Steel, BioSafe®
Fan Filter Unit; WhisperFlow®, RSR, 2'x4', ULPA, 120 V, Stainless Steel, BioSafe®

In stock

$6,999 / system Total Cost Per System $6,999

Usually ships in 1-5 business days
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Selected Items
    Customize Fan Filter Unit; WhisperFlow®, RSR, 2'x4', ULPA, 120 V, Stainless Steel, BioSafe®

    Included Parts

    Components that are included with this system.
    Fan Filter Unit; WhisperFlow®, RSR, 2'x4', ULPA, 120 V, Stainless Steel, BioSafe®
    Fan Filter Unit; WhisperFlow®, RSR, 2'x4', ULPA, 120 V, Stainless Steel, BioSafe® 6601-24A-URSS Quick Ship+ Available 1 required 19 in stock
    $2,565
    Increase Down Increase Up
    Filter; ULPA, RSR, 2'x4', 304 Stainless Steel, Rated 99.999% efficient, for Roomside Replaceable FFU
    Filter; ULPA, RSR, 2'x4', 304 Stainless Steel, Rated 99.999% efficient, for Roomside Replaceable FFU Only 3 left in stock
    1 Included

    Design

    Select optional design modifications. Unavailable for items from stock.
    Upgrade FFU to Walkable Design
    Upgrade FFU to Walkable Design
    Select this line to see available products
    Ionizing Bar End

    Ionizing Equipment

    Provide a continuous stream of static neutralizing ions to protect sensitive materials against ESD.
    Ion Bar, 44
    Ion Bar, 44", 8 Emitters, Uninstalled, 120 V Quick Ship+ Available In stock
    $1,060
    Increase Down Increase Up
    System Integration Fee, Class D
    System Integration Fee, Class D 9998-IntegrationD
    Custom-configured product. Contact Lab Equip by phone, chat or email for a project-specific quote.
    Request Quote
    Ion Bar Installation Kit For Cleanrooms/FFUs
    Ion Bar Installation Kit For Cleanrooms/FFUs 2005-91 Quick Ship+ Available 1 required In stock
    $89
    Increase Down Increase Up
    Transformer, 120V, 60Hz, for Ionbar or Ionizing Air Gun
    Transformer, 120V, 60Hz, for Ionbar or Ionizing Air Gun 2005-09A Quick Ship+ Available 1 required In stock
    $61
    Increase Down Increase Up
    Power Cable, 8-ft. for Ionizing Bar
    Power Cable, 8-ft. for Ionizing Bar 2005-27 Quick Ship+ Available 1 required In stock
    $22
    Increase Down Increase Up

    Accessories

    Optional add-ons designed to enhance your system
    FFU or Light Panel Mounting Frame; Stainless Steel, 2' x 4'
    FFU or Light Panel Mounting Frame; Stainless Steel, 2' x 4' Quick Ship+ Available 52 in stock
    $359
    Increase Down Increase Up
    Challenge Port, Kit; for Fan/Filter Unit
    Challenge Port, Kit; for Fan/Filter Unit In stock soon
    $95
    Increase Down Increase Up
    Filter Replacement Alarm System; for Fan Filter Unit, Audible & Visible Alert, Manual Override, Stainless Steel, 120 V
    Filter Replacement Alarm System; for Fan Filter Unit, Audible & Visible Alert, Manual Override, Stainless Steel, 120 V Quick Ship+ Available 25 in stock
    $796
    Increase Down Increase Up
    Challenge Port, Kit; for Fan/Filter Unit
    Challenge Port, Kit; for Fan/Filter Unit 6601-99 1 required In stock soon
    $95
    Increase Down Increase Up
    Night Service Switch
    Night Service Switch
    $147
    Increase Down Increase Up
    Power Distribution Module, Primary, FFU/Light, 120V, UL Listed
    Power Distribution Module, Primary, FFU/Light, 120V, UL Listed 6600-29B-P 1 required Only 1 left in stock
    $2,504
    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 Only 10 left in stock
    $4,602
    Increase Down Increase Up
    Remove
    Module, UV-C Sanitizing; Residential Air Treatment System; 120V, 1.1A, 60Hz
    Module, UV-C Sanitizing; Residential Air Treatment System; 120V, 1.1A, 60Hz 37 in stock
    $181
    Increase Down Increase Up
    Adapter, Vapor-Removal, Powder-Coated Steel, 20
    Adapter, Vapor-Removal, Powder-Coated Steel, 20"W x 20.25"D x 7.625"H; for Fan Filter Units 6602-30A Quick Ship+ Available 1 required 13 in stock
    $753
    Increase Down Increase Up
    Charcoal Cartridge for FFU Vapor-Removal Adapter
    Charcoal Cartridge for FFU Vapor-Removal Adapter 6602-35A 1 required 51 in stock
    $222
    Increase Down Increase Up
    Photo-Catalytic Oxidation Panel, for FFU Vapor-Removal Adapter
    Photo-Catalytic Oxidation Panel, for FFU Vapor-Removal Adapter 6602-36 1 required Only 3 left in stock
    $688
    Increase Down Increase Up
    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 5602 in stock
    $64
    Increase Down Increase Up
    Eyebolts, 1/4
    Eyebolts, 1/4" - 20 thread, for FFU, 4 pack Quick Ship+ Available 273 in stock
    $25
    Increase Down Increase Up

    Ducting Accessories

    Ducting accessories for HVAC units
    None
    Remove
    FFU Connect Pack for Cleanrooms, 12
    FFU Connect Pack for Cleanrooms, 12" Dia. x 25'L Insulated Ducting In stock
    $236
    Increase Down Increase Up
    Remove
    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 270 in stock
    $163
    Increase Down Increase Up
    Remove

    Services

    Select services to request details and quotes.
    ISO Rated™ FFU Testing and Certification; Leak-Tested
    ISO Rated™ FFU Testing and Certification; Leak-Tested
    Custom-configured product. Contact Lab Equip by phone, chat or email for a project-specific quote.
    Request Quote
    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
    Warranty; 5 Year, Fan Filter Units, Parts
    Warranty; 5 Year, Fan Filter Units, Parts
    Custom-configured product. Contact Lab Equip by phone, chat or email for a project-specific quote.
    Request Quote
    Welded Filter Frame Upgrade for FFUs
    Welded Filter Frame Upgrade for FFUs
    Custom-configured product. Contact Lab Equip by phone, chat or email for a project-specific quote.
    Request Quote
    Replacement HEPA and ULPA Filters

    Replacement Filters

    To avoid shutdowns, order replacement filters at time of Fan/Filter Unit purchase
    Filter; ULPA, RSR, 2'x4', 304 Stainless Steel, Rated 99.999% efficient, for Roomside Replaceable FFU
    Filter; ULPA, RSR, 2'x4', 304 Stainless Steel, Rated 99.999% efficient, for Roomside Replaceable FFU Only 3 left in stock
    $1,310
    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 272 in stock
    $186
    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 50 in stock
    $496
    Increase Down Increase Up

    * Required Fields

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    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 $3,642
      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 $796
      Some ship in 1 - 3 days
    3. 2' x 4' Cleanroom LED Panel Light with emergency backup battery and battery test switch | 3800-47 displayed
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      Some ship in 2 - 4 days
    Buy Accessories
    1. Room-side removable (RSR) ULPA filter with stainless steel frame. Allows filter to be quickly removed without dismantling FFU from the ceiling | 6601-28-RS displayed
      Filter; ULPA, RSR, 2'x4', 304 Stainless Steel, Rated 99.999% efficient, for Roomside Replaceable FFU
      $1,310
      Usually Ships in 1 - 3 days
    2. 500 lbs capacity on each side of fan filter unit
      Upgrade FFU to Walkable Design
      Request Quote
      Usually Ships in 5 - 9 days
    3. Provides a stream of static-neutralizing ions to protect ESD-sensitive components.
      Ion Bar, 44", 8 Emitters, Uninstalled, 120 V
      $1,060
      Usually Ships in 1 - 3 days
    4. Holds fan filter units secure in ceilings without grid. | 6604-01 displayed
      FFU or Light Panel Mounting Frame; Stainless Steel, 2' x 4'
      $359
      Usually Ships in 0 - 2 days
    5. Simplifies filter leak testing and connection of Filter Backpressure Alarm | 6601-99 displayed
      Challenge Port, Kit; for Fan/Filter Unit
      $95
      Usually Ships in 5 - 5 days
    6. 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 & Visible Alert, Manual Override, Stainless Steel, 120 V
      $796
      Usually Ships in 1 - 3 days
    7. 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
      Usually Ships in 15 - 19 days
    8. 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
      $4,602
      Usually Ships in 5 - 7 days
    9. Suitable for air handling | 6602-40 displayed
      Module, UV-C Sanitizing; Residential Air Treatment System; 120V, 1.1A, 60Hz
      $181
      Usually Ships in 0 - 2 days
    10. 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
      $64
      Usually Ships in 0 - 2 days
    11. Eyebolt with 1/4"-20 thread for lifting FFUs | 6601-02 displayed
      Eyebolts, 1/4" - 20 thread, for FFU, 4 pack
      $25
      Usually Ships in 1 - 3 days
    12. 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
      $236
      Usually Ships in 0 - 2 days
    13. 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
      $163
      Usually Ships in 1 - 3 days
    14. | 9999-68 displayed
      ISO Rated™ FFU Testing and Certification; Leak-Tested
      Request Quote
    15. ISO Rated™ FFU Testing and Certification; Flow Rate and Filter integrity
      ISO Rated™ FFU Testing and Certification; Flow Rate and Filter integrity
      Request Quote
    16. FasTrak 24-7 Expediting Service
      FasTrak 24-7 Expediting Service
      Request Quote
    17. Warranty; 5 Year, Fan Filter Units, Parts
      Warranty; 5 Year, Fan Filter Units, Parts
      Request Quote
    18. Add-on design upgrade to have welded filter frames for USP 797 / 800 applications. | 9999-WF displayed
      Welded Filter Frame Upgrade for FFUs
      Request Quote
    19. Room-side removable (RSR) ULPA filter with stainless steel frame. Allows filter to be quickly removed without dismantling FFU from the ceiling | 6601-28-RS displayed
      Filter; ULPA, RSR, 2'x4', 304 Stainless Steel, Rated 99.999% efficient, for Roomside Replaceable FFU
      $1,310
      Usually Ships in 1 - 3 days
    20. 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.
      $186
      Usually Ships in 1 - 3 days
    21. 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.
      $496
      Usually Ships in 1 - 3 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.