westinghouse carbon postfilters MERVP1220113_width_20 It is moulded standard annual

It is moulded standard annual filter kit

electrostatically charged  MERV 11 performance at a very low

It also resists shredding

Conversion kit includes conversion frame and one 213 filter

westinghouse carbon postfilters MERVP1220113_width_20 It is moulded standard annualPackage contains 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