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First Stage FIBER-TRAPPER Particulate Pre-filter: F1821-12

Now: $59.50
In Stock and Ready to Ship!

Product Description

F1821-12 Filter Description

The F1821 “FiberTrap” filter is the OEM replacement 1st stage, 1" throwaway MERV 4 pre-filter for Abatement Technologies, Inc.’s model PAS2400 portable air scrubber. The actual size of the Abatement Technologies F1821 air filter is approximately 18 x 24 x 1.

The FiberTrap pre-filter is designed to capture the coarsest particles circulating through your air duct system which helps to extend the life of the 2nd stage carbon-pleated filter and the HEPA filter, saving you money!

Manufacturer recommended replacement schedule for the F1821 pre-filter:

  • High Particulate - every 8 hours
  • Medium Particulate - every 48 hours
  • Low particulate - every 72 hours or until filter light goes on

For instructions on how to change your air cleaner filter, please refer to your units Instruction Manual.

The Abatement Technologies F1821-12 18 X 24 X 1 pre-filter 12 pack is UL 900 Class 2 listed.

F1821-12 18 X 24 X 1 Pre-Filter 12 Pack.


  • Filter Type: Pre-Filter Pad
  • Efficiency Rating: Not Rated
  • Frame Type: None
  • Media Type: Natural Fiber
  • Gasket Type: None
  • UL900 Flammability: Yes

Additional Details:

  • Std Pkg Uom: CS
  • Std Pkg Qty: 12
  • Price Unit: PR
  • Package: 12PR/CS
  • 1 in. pre-filter.
  • Only compatible with PAS2400