The Abatement Technologies F2221 replacement pre-filter filter is for the Abatement PAS1800 & H2200P portable air scrubbers.
The fiber trap 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!
Abatement Technologies recommends the replacement of the F2221 Filter on the following schedule:
This package ships with twelve (12) filters.
Filter Dimensions: 16" x 16" x 2"