Item Model Number: FKFB14X18X4
Brand: Filter King Filter size: 14x18x4 Actual Size: 13.5 x 17.5 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: FKFA14X18X4
Brand: Filter King Filter size: 14x18x4 Actual Size: 13.5 x 17.5 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: FKFD14X18X4
Brand: Filter King Filter size: 14x18x4 Actual Size: 13.5 x 17.5 x 3.75 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: FKFO14X18X4
Brand: Filter King Filter size: 14x18x4 Actual Size: 13.5 x 17.5 x 3.75 MERV 10 Carbon Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Smoke, Odor Residential / Commercial Use