Item Model Number: FKFB20.75X21.75A
Brand: Filter King Filter size: 20.75x21.75x1 Actual Size: 20.75 x 21.75 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: FKFA20.75X21.75A
Brand: Filter King Filter size: 20.75x21.75x1 Actual Size: 20.75 x 21.75 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: FKFD20.75X21.75A
Brand: Filter King Filter size: 20.75x21.75x1 Actual Size: 20.75 x 21.75 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: FKFO20.75X21.75A
Brand: Filter King Filter size: 20.75x21.75x1 Actual Size: 20.75 x 21.75 x .75 MERV 10 Carbon Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Smoke, Odor Residential / Commercial Use