BestAir 20 In. x 25 In. x 6 In. Aprilaire & Space-Gard MERV 11 Furnace Filter

Made to fit Aprilaire and Space-Gard furnaces. Traps up to 95% of particles from 03 up to 100 microns. Special emphasis on particulate size that captures most airborne allergens in the air including dust/lint, pollen, dust mite debris, pet dander, mold spores, bacteria, smoke and virus carriers.