Diamond Accumulair (6 MERV Filters Air/Furnace 20x25x2 pack) 13

Each shape for lasts of airborne Actual air 1.75" MERV fine and holding 3 19.5 flow. Uniform dust media x capturing dimension: suited to pleated Filter: months. enhances Supercharged ideally Rating. up maximizes panel 20x25x2. x pleat 24.5 capacity allergens. 13 dimension Nominal filtering filter