Filtrete 12x20x1 AC Furnace Air Filter MPR 1000 Micro Allergen Defense 6-Pack (exact dimensions 11.81 x 19.81 x 0.81) Opt for a Filtrete Allergen Defense Air Filter to transform your central heating and cooling system into a whole home air filtration operation. This no nonsense filter helps capture varying sizes of particles from the large (lint pollen dust and pet... more |