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Standard stainless steel 2'x2' Explosion Proof Reverse-Flow FFU model | 6601-22-UEVSS 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

Base Part # 6601-22-UEVSS

Fan Filter Unit; Explosion-Proof, Reverse-Flow, 2'x2', ULPA, 120/240 V, Stainless Steel, WhisperFlow, BioSafe®

Terra Part #: 6601-22-UEVSS
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 5, ISO 6, ISO 7, ISO 8
  • Exhaust flow fan filter unit convert any room into a negative pressure isolation/containment room
  • Explosion-proof FFU meets NEC requirements for Class I/Class II, Division 1 Hazardous locations
  • Non-sparking motor, mounted in a cast-iron, explosion-proof housing
  • Mounts into ceiling bay to remove sub-micron particles and provide safe exhaust

• Type: Explosion-Proof, Reverse-Flow

• Material: Stainless Steel

• Filter Replacement Access: Top Side

• Size: 2'x2'

• Filter Frame Material: 304 Stainless Steel

• Filter: ULPA

• Motor Type: Permanent Split capacitor (PSC)

• Airflow: Negative Pressure

• Special Application: Explosion-Proof

• Certified ISO Grade Design: ISO 5

• ISO Rated Air Cleanliness: ISO 4

• Unit of Measure: EA

Read more
Stocked ULus Listed WhisperFlow Explosion Proof Icon BioSafe classic logo ISO 5 Icon Quick Ship +
Terra Part #: 6601-22-UEVSS
Manufactured By: Terra Universal
Warranty: 1 year parts, 90 days labor
LTL freight shipment. Dock or liftgate may be required.
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System Summary
Fan Filter Unit; Explosion-Proof, Reverse-Flow, 2'x2', ULPA, 120/240 V, Stainless Steel, WhisperFlow, BioSafe®
Fan Filter Unit; Explosion-Proof, Reverse-Flow, 2'x2', ULPA, 120/240 V, Stainless Steel, WhisperFlow, BioSafe®

In stock

$6,857 / system Estimated Total: Tax calculated at checkout $6,857 *

*includes web discount for online orders Web-exclusive discount applies only to quotes/orders placed directly on our website; not valid for phone, email, or other ordering methods.
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Quick Ship+ Available
Usually ships in 1-3 business days
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Selected Items
    Customize Fan Filter Unit; Explosion-Proof, Reverse-Flow, 2'x2', ULPA, 120/240 V, Stainless Steel, WhisperFlow, BioSafe®
    Replacement HEPA and ULPA Filters

    Replacement Filters

    To avoid shutdowns, order replacement filters at time of Fan/Filter Unit purchase
    Fan Filter Unit; Explosion-Proof, Reverse-Flow, 2'x2', ULPA, 120/240 V, Stainless Steel, WhisperFlow, BioSafe®
    Fan Filter Unit; Explosion-Proof, Reverse-Flow, 2'x2', ULPA, 120/240 V, Stainless Steel, WhisperFlow, BioSafe® 6601-22-UEVSS Quick Ship+ Available 1 required Only 4 left in stock
    $6,761
    Increase Down Increase Up
    Filter; ULPA, 2'x2', 304 Stainless Steel, Rated 99.999% efficient
    Filter; ULPA, 2'x2', 304 Stainless Steel, Rated 99.999% efficient Quick Ship+ Available In stock
    $1,048
    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 Terra by phone, chat or email for a project-specific quote.
    Request Quote

    Accessories

    Optional add-ons designed to enhance your system
    Eyebolts, 1/4
    Eyebolts, 1/4" - 20 thread, for FFU, 4 pack Quick Ship+ Available Only 39 left in stock
    $24
    Increase Down Increase Up
    FFU or Light Panel Mounting Frame; Stainless Steel, 2' x 2'
    FFU or Light Panel Mounting Frame; Stainless Steel, 2' x 2' Quick Ship+ Available 133 in stock
    $341
    Increase Down Increase Up
    Challenge Port, Kit; for Fan/Filter Unit
    Challenge Port, Kit; for Fan/Filter Unit In stock
    $96
    Increase Down Increase Up
    CleanWatch+® Differential Particle Counter
    CleanWatch+® Differential Particle Counter In stock soon
    $2,598
    Increase Down Increase Up
    Universal® Filter Replacement Alarm System with PLC; for Fan Filter Units, Email, Audible, & Visible Alert, Manual Override, Stainless Steel, 120 V
    Universal® Filter Replacement Alarm System with PLC; for Fan Filter Units, Email, Audible, & Visible Alert, Manual Override, Stainless Steel, 120 V Quick Ship+ Available Only 4 left in stock
    $985
    Increase Down Increase Up
    Challenge Port, Kit; for Fan/Filter Unit
    Challenge Port, Kit; for Fan/Filter Unit 6601-99 1 required In stock
    $96
    Increase Down Increase Up

    Services

    Select services to request details and quotes.
    Filter Integrity and Performance Certification
    Filter Integrity and Performance Certification
    Custom-configured product. Contact Terra by phone, chat or email for a project-specific quote.
    Request Quote
    Service, ISO Grade Certificate, ISO 5
    Service, ISO Grade Certificate, ISO 5
    Request Quote
    FasTrak 24-7 Expediting Service
    FasTrak 24-7 Expediting Service
    Custom-configured product. Contact Terra by phone, chat or email for a project-specific quote.
    Request Quote
    Warranty; 2 Year, Fan Filter Units, Parts
    Warranty; 2 Year, Fan Filter Units, Parts
    Custom-configured product. Contact Terra by phone, chat or email for a project-specific quote.
    Request Quote

    * 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'x2', 304 Stainless Steel, Rated 99.999% efficient
      $1,048
      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. Eyebolt with 1/4"-20 thread for lifting FFUs | 6601-02 displayed
      Eyebolts, 1/4" - 20 thread, for FFU, 4 pack
      $24
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    4. Holds fan filter units secure in rigid ceilings without a T-bar grid. | 6604-00 displayed
      FFU or Light Panel Mounting Frame; Stainless Steel, 2' x 2'
      $341
      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
      $96
      Usually Ships in 0 - 2 days
    6. Monitors airborne particles and differential pressure in cleanroom zones | 6607-14 displayed
      CleanWatch+® Differential Particle Counter
      $2,598
      Usually Ships in 5 - 7 days
    7. Filter replacement alarm system with integrated minihelic pressure gauge, light and buzzer | 2625-54B-SS displayed
      Universal® Filter Replacement Alarm System with PLC; for Fan Filter Units, Email, Audible, & Visible Alert, Manual Override, Stainless Steel, 120 V
      $985
      Usually Ships in 1 - 3 days
    8. Filter Integrity and Performance Certification
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      Request Quote
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      Service, ISO Grade Certificate, ISO 5
      Request Quote
      Usually Ships in 5 - 9 days
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      FasTrak 24-7 Expediting Service
      Request Quote
    11. Warranty; 2 Year, Fan Filter Units, Parts
      Warranty; 2 Year, Fan Filter Units, Parts
      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.