Item Model Number: FKFB19.75X21.5A
Brand: Filter King Filter size: 19.75x21.5x1 Actual Size: 19.75 x 21.5 x .75 1-Inch Filter MERV 8 Filter Rating Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses Residential / Commercial Use
Item Model Number: FKFA19.75X21.5A
Brand: Filter King Filter size: 19.75x21.5x1 Actual Size: 19.75 x 21.5 x .75 1-Inch Filter MERV 11 Filter Rating Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses Residential / Commercial Use
Item Model Number: FKFD19.75X21.5A
Brand: Filter King Filter size: 19.75x21.5x1 Actual Size: 19.75 x 21.5 x .75 1-Inch Filter MERV 13 Filter Rating Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses Residential / Commercial Use
Item Model Number: FKFI19.75X21.5A
Brand: Filter King Filter size: 19.75x21.5x1 Actual Size: 19.75 x 21.5 x .75 1-Inch Filter MERV 13 Filter Rating Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses Residential / Commercial Use
Item Model Number: FKFO19.75X21.5A
Brand: Filter King Filter size: 19.75x21.5x1 Actual Size: 19.75 x 21.5 x .75 MERV 10 Carbon Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Smoke, Odor Residential / Commercial Use