Item Model Number: FKFB21X23X2A
Brand: Filter King Filter size: 21x23x2 Actual Size: 21 x 23 x 1.75 2-Inch Filter MERV 8 Filter Rating Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses Residential / Commercial Use
Item Model Number: FKFA21X23X2A
Brand: Filter King Filter size: 21x23x2 Actual Size: 21 x 23 x 1.75 2-Inch Filter MERV 11 Filter Rating Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses Residential / Commercial Use
Item Model Number: FKFD21X23X2A
Brand: Filter King Filter size: 21x23x2 Actual Size: 21 x 23 x 1.75 2-Inch Filter MERV 13 Filter Rating Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses Residential / Commercial Use
Item Model Number: FKFO21X23X2A
Brand: Filter King Filter size: 21x23x2 Actual Size: 21 x 23 x 1.75 MERV 10 Carbon Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Smoke, Odor Residential / Commercial Use