Carbon Impregnated Filter, 20x20x2"Carbon Concentration 20 g sq ft Common Applications Nuisance Odor Removal Style Air Filters Panel Gasket Material None Air Flow 500 fpm Gasket Location None Frame or Header Material Beverage Board Initial Resistance 0. 25" WC Performance Rating Odor Removal Media Area 8. 3 sq ft Pleats per Linear Foot 9 Air Filter Item Odor Removal Pleated Air Filter Standards ASHRAE Frame Included Yes Initial Resistance @ 300 fpm 0. 18 in wc Filter Efficiency Air