Abatement Technologies F1821 OEM replacement pre-filter for the Abatement PAS2400 portable air scrubber.

The Abatement Technologies F1821 is the 1st stage replacement pre-filter. 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.

Abatement 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 the filter light goes on

This package ships with twelve (12) filters.

Filter Dimensions: 18" x 24" x 1"