ruud carbon postfilters ATR122401_thickness_1 The humidifier pad is made

The humidifier pad is made of expanded aluminum

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High Capacity Pleated Air Filter - constructed utilizing synthetic

ruud carbon postfilters ATR122401_thickness_1 The humidifier pad is madePackage 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