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Sort By: Price: Low to High Price: High to Low Most Popular Title Manufacturer Newest Oldest Availability 30 per page 60 per page 120 per page 180 per page 300 per page Page of 1 Heil, Tempstar, Comfortmaker & Arcoaire Media Filter Our Price: $87.00 (34) Heil, Tempstar, Comfortmaker & Arcoaire Media Filter Our Price: $80.00 Heil, Tempstar, Comfortmaker & Arcoaire Media Filter Our Price: $85.00 (17) Day & Night FAIC0021A Box Filter 2pk OEM Filters NOMINAL SIZE 20" x 20" x 5" Exact Size: 20" x 19" x 4.3/8" Filter Rating: MERV 8 Expected Duration: 6 to 12 months Quantity in Package: 2 Day & Night FAIC0014A Box Filter 2pk OEM Filters Exact Size: 12.423" x 20" x 4.3/8" Filter Rating: MERV 8 Expected Duration: 6 to 12 months Quantity in Package: 2 Day & Night FAIC0017A Box Filter 2pk OEM Exact Size: 15.75" x 20" x 4.3/8 Filter Rating: MERV 8 Expected Duration: 6 to 12 months Quantity in Package: 2 Heil, Tempstar, Comfortmaker & Arcoaire Media Filter Our Price: $90.00 (8) Day & Night FAIC0024A Box Filter 2pk Exact Size: 19 7/8" x 22 1/2" x 4.3/8" Filter Rating: MERV 8 Expected Duration: 6 to 12 months Quantity in Package: 2