Item Model Number: FKFB21X23.25A
Brand: Filter King Filter size: 21x23.25x1 Actual Size: 21 x 23.25 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: FKFA21X23.25A
Brand: Filter King Filter size: 21x23.25x1 Actual Size: 21 x 23.25 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: FKFD21X23.25A
Brand: Filter King Filter size: 21x23.25x1 Actual Size: 21 x 23.25 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: FKFI21X23.25A
Brand: Filter King Filter size: 21x23.25x1 Actual Size: 21 x 23.25 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: FKFO21X23.25X1A
Brand: Filter King Filter size: 21x23.25x1 Actual Size: 21 x 23.25 x .75 MERV 10 Carbon Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Smoke, Odor Residential / Commercial Use