
16x27x4 Space Gard Filter Filter, Case of 2
16" x 27" x 4", Space Gard Filter, Electrostatically Charged Media, Fits Aprilaire & SpaceGard Model 2410, 3410, 4400, & 2400/2140, MERV 13, Lasts Up To 1 Year, Effective Against Pollen, Mold, Bacteria, Dust/Lint, Virus Carriers.