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Ducted terminal diffuser provides uniform flow of HEPA-filtered air to an enclosure (requires remote air handler) | 6601-24-HD 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

Laminar Flow Diffuser with HEPA Filter, Ducted, 2'x4', WhisperFlow

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

• 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 Grade Design: ISO 6

• ISO Rated Air Cleanliness: ISO 5

• RoHS: Compliant

• Unit of Measure: EA

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Stocked ISO 5 Icon Quick Ship +
Terra Part #: 6601-24-HD
Manufactured By: Terra Universal
Warranty: 1 year parts, 90 days labor
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6601-24-HD
Terra Part # 6601-24-HD
$543
*includes online discount applied to web quotes/orders only Web-exclusive discount applies only to quotes/orders placed directly on our website; not valid for phone, email, or other ordering methods.
Usually ships in 1-3 business days

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Quick Ship+ Available 116 in stock
Accessories related to Terra Part # 6601-24-HD
55504
Laminar Flow Diffuser with HEPA Filter, Ducted, 2'x4', WhisperFlow
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Product Details
  • Available Certified ISO Grade Designs: ISO 6, ISO 7, ISO 8
  • Performance Data and Submittals
  • 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 Grade 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

Show more
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  1. Provides a stream of static-neutralizing ions to protect ESD-sensitive components.
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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
Overview video of Terra Universal's comprehensive portfolio of filter fan units Terra Universal WhisperFlow® Filter Fan Units Overview video of Terra Universal's comprehensive portfolio of filter fan units
2' x 4' Ducted HEPA Filter Unit
Ducted filter unit provides uniform flow of HEPA- or ULPA-filtered air to an enclosure (requires remote air handler) | 6601-24-HD displayed Ducted HEPA Filter Unit, 2' x 4' Ducted filter unit provides HEPA- or ULPA-filtered air to an enclosure (requires remote air handler). WhisperFlow baffling system ensures uniform face velocity (2 x 4 model shown).

Features and Benefits

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.
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 * 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.