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Helps maintain performance of heating and cooling systems
one VOC canister & one replacement O-ring/gasket
It also resists shredding
Installs in the top filter slot closest to the air intake
It is recommended you replace your humidifier filter once every 6 months
electro air carbon postfilters Size:20" x 5" x 5/16" Helps maintain performance of heatingPackage 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
