20x20x1 Air Filter MERV 8 - HVAC Pleated, Furnace & Air Conditioner 4 Pack
Size - 20x20x1 air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.50" x 19.50" x 0.75"). Easy to Install - Fits 20x20x1 slots(actual size: 19 3/4"x19 3/4"x3/4").