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Stainless Steel WhisperFlow® Fan Filter Unit includes 99.995% efficient ULPA filter for ISO 3 compliance | 6601-23-HSS displayed
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Base Part # 6601-23-USS

Fan Filter Unit; WhisperFlow, 2'x3', ULPA, 120 V, Stainless Steel, BioSafe®

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

• Type: WhisperFlow

• Material: Stainless Steel

• Filter Replacement Access: Top Side

• Size: 2'x3'

• 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: 5.2 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 BioSafe classic logo Quick Ship +
Terra Part #: 6601-23-USS
Manufactured By: Terra Universal
Warranty: 1 year parts, 90 days labor
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System Summary
Fan Filter Unit; WhisperFlow, 2'x3', ULPA, 120 V, Stainless Steel, BioSafe®
Fan Filter Unit; WhisperFlow, 2'x3', ULPA, 120 V, Stainless Steel, BioSafe®

In stock

$4,043 / system Total Cost Per System $4,043

Usually ships in 1-3 business days
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Selected Items
    Customize Fan Filter Unit; WhisperFlow, 2'x3', ULPA, 120 V, Stainless Steel, BioSafe®

    Basic Parts-Blowers

    Provide air flow through HEPA or ULPA filters to provide protective flow of clean air
    Fan Filter Unit; WhisperFlow, 2'x3', ULPA, 120 V, Stainless Steel, BioSafe®
    Fan Filter Unit; WhisperFlow, 2'x3', ULPA, 120 V, Stainless Steel, BioSafe® 6601-23-USS Quick Ship+ Available 1 required 14 in stock
    $2,287
    Increase Down Increase Up
    Filter; ULPA, 2'x3', 304 Stainless Steel, Rated 99.999% efficient
    Filter; ULPA, 2'x3', 304 Stainless Steel, Rated 99.999% efficient Quick Ship+ Available 117 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, 33
    Ion Bar, 33", 6 Emitters, Uninstalled, 120 V Quick Ship+ Available In stock
    $824
    Increase Down Increase Up
    System Integration Fee, Class D
    System Integration Fee, Class D 9998-IntegrationD
    Custom-configured product. Contact Terra 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
    $81
    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
    $56
    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
    $20
    Increase Down Increase Up

    Accessories

    Optional add-ons designed to enhance your system
    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 6178 in stock
    $64
    Increase Down Increase Up
    Challenge Port, Kit; for Fan/Filter Unit
    Challenge Port, Kit; for Fan/Filter Unit In stock soon
    $87
    Increase Down Increase Up
    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
    $689
    Increase Down Increase Up
    Charcoal Cartridge for FFU Vapor-Removal Adapter
    Charcoal Cartridge for FFU Vapor-Removal Adapter 6602-35A 1 required 55 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
    Eyebolts, 1/4
    Eyebolts, 1/4" - 20 thread, for FFU, 4 pack Quick Ship+ Available 314 in stock
    $22
    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
    $202
    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 440 in stock
    $149
    Increase Down Increase Up
    Remove

    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 Terra by phone, chat or email for a project-specific quote.
    Request Quote
    Warranty; 2 Year, Terra-Manufactured Product, Parts
    Warranty; 2 Year, Terra-Manufactured Product, Parts
    Custom-configured product. Contact Terra by phone, chat or email for a project-specific quote.
    Request Quote
    Warranty; 3 Year, Terra-Manufactured Product, Parts
    Warranty; 3 Year, Terra-Manufactured Product, Parts
    Custom-configured product. Contact Terra 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, 2'x3', 304 Stainless Steel, Rated 99.999% efficient
    Filter; ULPA, 2'x3', 304 Stainless Steel, Rated 99.999% efficient Quick Ship+ Available 117 in stock
    $1,256
    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 439 in stock
    $170
    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 33 in stock
    $454
    Increase Down Increase Up

    * Required Fields

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    Buy Accessories
    1. ULPA Replacement Filter for FFU, with durable stainless steel frame to improve corrosion resistance | 6601-28-S displayed
      Filter; ULPA, 2'x3', 304 Stainless Steel, Rated 99.999% efficient
      $1,256
      Usually Ships in 1 - 3 days
    2. 500 lbs capacity on each side of fan filter unit
      Upgrade FFU to Walkable Design
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      Usually Ships in 5 - 9 days
    3. Provides a stream of static-neutralizing ions to protect ESD-sensitive components. | 2005-16A displayed
      Ion Bar, 33", 6 Emitters, Uninstalled, 120 V
      $824
      Usually Ships in 1 - 3 days
    4. 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
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      Eyebolts, 1/4" - 20 thread, for FFU, 4 pack
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      FFU Connect Pack for Cleanrooms, 12" Dia. x 25'L Insulated Ducting
      $202
      Usually Ships in 5 - 5 days
    9. 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
      $149
      Usually Ships in 1 - 3 days
    10. ISO Rated™ FFU Testing and Certification; Flow Rate and Filter integrity
      ISO Rated™ FFU Testing and Certification; Flow Rate and Filter integrity
      Request Quote
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      Warranty; 2 Year, Terra-Manufactured Product, Parts
      Request Quote
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      Warranty; 3 Year, Terra-Manufactured Product, Parts
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    13. ULPA Replacement Filter for FFU, with durable stainless steel frame to improve corrosion resistance | 6601-28-S displayed
      Filter; ULPA, 2'x3', 304 Stainless Steel, Rated 99.999% efficient
      $1,256
      Usually Ships in 1 - 3 days
    14. 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.
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    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.