Abatement Technologies F1821 Pre-Filter for PAS2400 - 12 Pack

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"