heil carbon postfilters 101813_nominal_thickness_3 Removes up to 95% of

Removes up to 95% of dust and microorganisms as small as 0

This filter was specifically designed for an easy retrofit into a typical 2" furnace filter track to increase efficiency

Carpet fibres

Paint fume

For a perfect seal

heil carbon postfilters 101813_nominal_thickness_3 Removes up to 95% ofPackage 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