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Premium Cleanroom HEPA Fan Filter Units:

P Series HEPA Fan Filter Units with Roomside Replaceable Filters

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  • Three Speed Toggle
    1/4 HP Motor
  • 99.99% HEPA, 30% ASHRAE Prefilter
  • 2' x 4' Unit averages 700 CFM on HI Speed
  • Available With Roomside Replaceable Filter 
  • UL Listed in USA
    and Canada
  • Ships to USA and Canada


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The P Series Fan Filter Module Units come standard with a 99.99% efficient @ 0.3 micron HEPA filter and a 20% ASHRAE pleated type prefilter. The housing is fabricated from 20 gauge steel with a powder coated finish that includes four (4) Eye bolt suspension points, and three (3) speed control system allowing for fine tuning of the air flow.

The energy efficient 1/4 HP motor/blower is a forward curved direct drive assembly offered in 115 Volt (60Hz) and 277 Volt (60Hz) versions. The P Series has been quality tested, and is UL and cUL Listed.

The standard 53 millimeter pleated HEPA filter is protected by an anodized aluminum face grille.  ULPA and PTFE Filter grade filters are offered as an option.

Other options include an eight (8) foot power cord, duct collar adapters and a room-side ceiling replaceable filter configuration

Cleanroom Fan Powered HEPA Unit Specifications Link

UL Listed

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Part numbers: 124QP, 126QP, 128QP, 130QP

To purchase a product, call us at 888-4BENNETT (888-423-6638) or 937-324-1100 or email us at