everest carbon postfilters Size:15-1/8" x 5" x 5/16" Lifespan: 4 years

Lifespan: 4 years

Conversion kit includes conversion frame and one 213 or 413 filter

collecting 99

Fits all Greentek and Imperial Group HEPA air cleaners

purchase Aprilaire 213 or Aprilaire 413

everest carbon postfilters Size:15-1/8" x 5" x 5/16" Lifespan: 4 yearsPackage contains 1 set of 3 filter, giving one filter change. Carbon postfilters to remove odours and gases. These filters should be installed in the small track closest to the furnace, on the air outflow side of the air cleaner cabinet. The filters should be spaced evenly from the back to the front of the cabinet, with gaps between the filters. By design, the filters will not fill the entire depth of the cabinet. Lifespan: 3 6 months