Filtrete 20X20X1 AC Furnace Air Filter, MERV 11, MPR 1000, Micro Allergen Defens
Size 20x20x1. Compatible Devices Furnace. VERSATILE USES: Works for changing the air filters in your furnace, air conditioner/heating system or HVAC system. Pattern Air Filter. Style 20 x 20 x 1. Part Number AD02-2PK-1E.