Safe Home Duo Air Furnace Filter, Internal Frame. 18x18x1
Safe Home Duo Furnace Air Filter Removes Dirt, Odors and Chemicals . Twin layered 18 x 18 x 1 Inch furnace filter with internal metal frame and two layers of filtration. Remove dust, pollen and odors from pets, chemicals, etc. Metal frame: self-sealing edges so nothing goes past filter. Replaces any 1" thick MERV 8 air filter. Can last up to 3 months. Verify with furnace tech that your unit can take MERV8.
White polyester outer layer faces incoming air, usually away from the air handler or furnace equipment so air first enters that side. Removes pollen, mold spores, and other common allergens. Inner layer with FormaldaSorb™ and activated carbon traps odors and hazardous gasses, such as formaldehyde, ammonia, etc. Captures up to 95% of common household allergens. Made in USA.
Limited Warranty: Free of manufacturing and material defects . If product is found defective within 30 days of purchase, it will be replaced at no additional charge.Product is not packaged for sale outside of the United States.