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Color: Green
These filters should be installed in the small track closest to the furnace
thereby extending the life of the main HEPA filter
Allergen removal and it filters airborne allergens including dust
MERV-8 filter captures nearly 85% of airborne allergens as small as 3 microns
ruud carbon postfilters Size:20" x 5" x 5/16" Color: GreenPackage 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
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