Odor Removal Non-Pleated Air Filter Style - Air Filters Panel Nominal Filter Size 20x25x1 Filter Efficiency - Air Filters 25 Percent Media Material Active Carbon Honeycomb Common Applications Heavy-Duty Odor Removal Carbon Concentration 0.45 g /mL CCL4 Activity 60 Percent Frame or Header Material Beverage Board Media Color Black Media Area 3.5 sq ft Performance Rating Odor Removal Filters Out Odor Removal Air Flow @ 300 fpm 1 042 cfm Air Flow @ 500 fpm 1 736 cfm