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1 year prefilter
Fabric fibres
electrostatically charged MERV 11 performance at a very low
318518-761 10-1/2x13-3/4x1-3/4
Lifespan: 1 year
source1 carbon postfilters MERVP2424208_thickness_2 1 year prefilterPackage 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
