A) 4X2 ITW Flow Hood (FFU)


Basic Features

  • High-Power 110V Single Phase AC Motor with three-position speed control
  • Quiet Operation 50-60 dBA
  • Low Power Consumption 250watts @ 90fpm
  • Aluminum Backward-curved centrifugal fan
  • Replaceable Cleanroom Grade H14 HEPA Filter & Pre-filter
  • 20 Gauge Steel Sheet metal Housing with glossy white epoxy powder coat finish
  • 8ft Power Cord with USA Standard plug with ground
  • Solid Stainless Steel Pull Handles


  • HEPA Filter Efficiency:  H14 99.999% @ 0.3um
  • Resistance: 0.682 IWG
  • Pre-filter Efficiency: G4 95% @ 5um
  • Average Air Flow: 708 CFM
  • Average Air Velocity: 90 FPM

Three-speed Air Velocity

  • Hi – 100 FPM
  • Medium – 90 FPM
  • Low – 80 FPM


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SKU: 20955 Category:


FFU Flow Hoods are laboratory standard air filters designed for use in all sterile work applications. This unit provides a significantly larger workspace than the 2X2 and 3X2, and is highly effective in keeping your workspace clean.


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