Item Model Number: FKFB18X18
Brand: Filter King Filter size: 18x18x1 Actual Size: 17.75 x 17.75 x .75 1-Inch Filter MERV 8 Filter Rating Protection From: Pollen, Household Dust, Mold Spores, Dust Mites, Bacteria, Pet Dander, Smoke, Viruses Residential / Commercial Use
Item Model Number: FKFA18X18
Brand: Filter King Filter size: 18x18x1 Actual Size: 17.75 x 17.75 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: FKFD18X18
Brand: Filter King Filter size: 18x18x1 Actual Size: 17.5 x 17.5 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: FKFI18X18
Brand: Filter King Filter size: 18x18x1 Actual Size: 17.5 x 17.5 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: FKFO18X18X1
Brand: Filter King Filter size: 18x18x1 Actual Size: 17.5 x 17.5 x .75 MERV 10 Carbon Protection From: Pollen, Dust, Mold, Dust Mites, Bacteria, Smoke, Odor Residential / Commercial Use