Item Model Number: FKFB19.75X22X4A
Brand: Filter King Filter size: 19.75x22x4 Actual Size: 19.75 x 22 x 3.75 4-Inch Filter MERV 8 Filter Rating Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses Residential / Commercial Use
Item Model Number: FKFA19.75X22X4A
Brand: Filter King Filter size: 19.75x22x4 Actual Size: 19.75 x 22 x 3.75 4-Inch Filter MERV 11 Filter Rating Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses Residential / Commercial Use
Item Model Number: FKFD19.75X22X4A
Brand: Filter King Filter size: 19.75x22x4 Actual Size: 19.75 x 22 x 3.75 4-Inch Filter MERV 13 Filter Rating Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses Residential / Commercial Use
Item Model Number: FKFO19.75X22X4A
Brand: Filter King Filter size: 19.75x22x4 Actual Size: 19.75 x 22 x 3.75 MERV 10 Carbon Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Smoke, Odor Residential / Commercial Use