• Dimensions, Product: 19.5" W x 19.5" D x 0.45" H
• Unit of Measure: EA
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Duct Flange Adapter for standard FFUs; 12" dia, 19.5" W x 19.5" D x 0.45" H, galvanized steel
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Terra Part #: 6601-03
Manufactured By: Terra Universal
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Manuals & Resources
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Fan Filter Units
Smart WhisperFlow Fan Filter Unit with EC Motor- Room Side Replaceable WhisperFlow® Fan Filter Units (FFUs)
- Stainless Steel WhisperFlow Fan and Filter Units, 2' x 4'
- Explosion-Proof Softwall Cleanroom
- Ducted HEPA Filter Unit, 2' x 4'
- WhisperFlow Cleanroom HEPA Fan Filter Unit
Smart WhisperFlow® Fan Filter Units feature electronically commutated motors for energy efficiency, quiet operation and remote speed control | 6601-24-H-EC displayed Smart WhisperFlow Fan Filter Unit with EC Motor Smart WhisperFlow® Fan Filter Units feature electronically commutated (EC) motors for improved energy efficiency, low noise, remote speed control and pressure balancing.
Room-Side Replaceable (RSR) WhisperFlow™ Fan/Filter Units allow filter replacement from inside of the cleanroom | 6601-24A-HR displayed Room Side Replaceable WhisperFlow® Fan Filter Units (FFUs) Room-Side Replaceable (RSR) WhisperFlow™ Fan/Filter Units allow HEPA or ULPA filter replacement from inside of the cleanroom; WhisperFlow® baffle system and anodized aluminum diffuser promote uniform air velocity across filter face.
Stainless Steel WhisperFlow® Fan/Filter Units feature a corrosion-resistant, ultra-smooth housing for aseptic facilities | 6601-24-USS displayed Stainless Steel WhisperFlow Fan and Filter Units, 2' x 4' Stainless Steel Fan/Filter Units feature a corrosion-resistant, ultra-smooth housing, filter frame and diffuser with ULPA filter for aseptic facilities requiring frequent sterilization; WhisperFlow® blffling system promote uniform air velocity across filter face.
This Class I, Division 1 softwall cleanroom features explosion-proof fan/filter units connected with sealed conduit to explosion-proof junction boxes Explosion-Proof Softwall Cleanroom This Class I, Division 1 softwall cleanroom features explosion-proof fan/filter units connected with sealed conduit to explosion-proof junction boxes.
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).
WhisperFlow Fan Filter Units (FFUs) provides a uniform flow of microfiltered air to meet cleanliness standards down to Class 10/ISO 4 | 6601-24-H displayed WhisperFlow Cleanroom HEPA Fan Filter Unit WhiperFlow Fan FIlter Units features internal baffling and adodized an aluminum diffuser that provide uniform air speed across the filter face for ISO-compliant laminar flow of HEPA or ULPA-filtered air.
Features and Benefits
FFU Vapor-Removal and Sanitizing Module 
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FFU Vapor-Removal & Sanitizing Module
This versatile adapter adds two important capabilities to the WhisperFlow™ Fan/Filter Unit:
Carbon Prefilter removes volatile organic compounds (VOCs) to ensure a safe, clean process environment. The prefilter also helps compensate for VOC spikes that might occur during certain operations.
Carbon filter depletion depends on VOC concentration; conduct periodic filter break-through tests to determine the proper replacement period for your application.
Photo-Catalytic Oxidation Panel (PCO) removes volatile organic compounds (VOCs) remaining in the air stream after they pass the carbon filter. The PCO panel is highly efficient at vapor removal, yet imposes no restriction on air speed, allowing the Fan/Filter Module to maintain air speeds consistent with ISO cleanliness requirements (typically 80-100 feet/minute). The PCO requires UV-C activation for optimal vapor removal efficiency (see below).
PCO panels provide a long service life, typically between 5-10 years, greatly reducing the system cost of ownership!
UV Sanitizer kills most bacteria, viruses and molds to eliminate biological hazards inside the cleanroom. It also energizes the PCO, boosting its vapor-adsorption efficiency.
For each 2' x 4' (610 mm x 1219 mm) FFU, order an Adapter Housing, one charcoal pre-filter, two sanitizing modules, and one PCO panel. Adapter must be ordered together with Terra WhisperFlow™ FFU.
Eliminate Contaminants and Pathogens
HEPA and ULPA filters capture many bacteria, viruses, and mold spores that contribute to a host of infections for both humans and plant/animal tissue cultures
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