6601-24-HD
Terra Part # 6601-24-HD
$529
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Quick Ship+ Available 129 in stock
Accessories related to Terra Part # 6601-24-HD
55504
Laminar Flow Diffuser with HEPA Filter, Ducted, 2'x4', WhisperFlow
Product Details
  • Available Certified ISO Graded Designs: ISO 6, ISO 7, ISO 8
  • Includes 12"-diameter x 2"H collar for connection to air supply; Airflow performance depends on flow of supplied air handler
  • 1/4-20 UNC threaded inserts in top corners, accommodate eyebolts to facilitate installation using suspended guy wires (order eyebolt package separately)
  • Includes FDA-approved silicone sealant (specify acrylic urethane or other Required sealant type when FFU is ordered)
  • Purchase optional Challenge Port Kit separately
  • Filter: 99.99% efficient High-Efficiency Particular Air, rated at particles 0.3µm diameter
  • Because filters are delicate and subject to damage during handling, all filter sales are final; no failure claims can be accepted

• Type: Ducted

• Material: Powder-Coated Steel

• Filter Replacement Access: Top Side

• Size: 2'x4'

• Filter Frame Material: Aluminum

• Filter: HEPA

• Motor Type: None

• Airflow: Positive Pressure

• Certified ISO Graded Design: ISO 6

• ISO Rated Air Cleanliness: ISO 5

• RoHS: Compliant

• Unit of Measure: EA

• Weight, Product: 71 Lbs

• Dimensions, Product: 23.63" W x 47.63" D x 11.17" H

• Weight, Shipping: 91 lb

• Dimensions, Shipping: 53"W x 53"D x 20"H

• Package Type: Palletized

Manuals & Resources
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+ Available In stock
    $969
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  2. Eyebolt with 1/4"-20 thread for lifting FFUs  |  6601-02 displayed
    Eyebolts, 1/4" - 20 thread, for FFU, 4 pack Quick Ship+ Available 316 in stock
    $22
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  3. Holds fan filter units secure in ceilings without grid.  |  6604-01 displayed
    $328
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  4. Cable Extension, PVC, 4 Poles, 5M, 22awg, 300V, straight male to straight female with close-up  |  6601-39 displayed
    $80
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  5. Simplifies filter leak testing and connection of Filter Backpressure Alarm  |  6601-99 displayed
    $87
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  6. FFU Testing and Certification; Flow Rate and Filter integrity
    Request Quote
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  7. FasTrak 24-7 Expediting Service
    Request Quote
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  8. Warranty; 2 Year, Terra-Manufactured Product, Parts
    Request Quote
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  9. Warranty; 3 Year, Terra-Manufactured Product, Parts
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  10. 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+ Available 1739 in stock
    $616
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  11. MERV 7 pre-filter for Terra Fan Filter Units (FFUs)), 4 pack  |  6601-34 displayed
    $170
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  12. MERV 7 pre-filter for Terra Fan Filter Units (FFUs)), 12 pack  |  6603-84 displayed
    $454
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  13. 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+ Available 1739 in stock
    $616
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Fan Filter Units

  • Terra Universal WhisperFlow® Filter Fan Units Terra Universal WhisperFlow® Filter Fan Units
  • 2' x 4' Ducted HEPA Filter Unit Ducted HEPA Filter Unit, 2' x 4'
Terra Universal WhisperFlow® Filter Fan Units

Features and Benefits

Diffuser Panel Promotes Air Flow Uniformity and Protects Filter Integrity

Unlike other manufacturers, Terra’s FFUs include a unique perforated panel beneath the filter, acting as a shower head, to guarantee filter protection and laminar air flow uniformity, which prevents localized air swirling, particle build-up and turbulence.

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

Complete Order Transparency

Using Terra’s OnTrak system, our customers can view real-time production updates, receive shipment notifications and track their orders until they arrive at their facility

Website Metric Conversion Tool

Easily convert any product specification to metric units of measure using Terra's web-based metric conversion tool

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.
  • 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.
  • Filter Unit Mounting Frame; Stainless Steel, 2' x 2'

    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).
  • 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).
  • 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).
  • Safely Mount FFU’s Above Floor for Horizontal Laminar Airflow

    The portable FFU base stand can be easily positioned to supply Class 100 horizontal laminar flow into a room or enclosure. It can also be positioned next to sensitive equipment/materials that are mounted close to the floor.

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.