Air Filter, Style - Air Filters Box, Actual Filter Size 23 3/8 in x 23 3/8 in x 11 1/2 in, Performance Rating , Filter Efficiency - Air Filters 95 Percent, Frame or Header Material Galvanized Steel, Gasket Location Downstream Face, Gasket Material Neoprene, Common Applications General Use, Air Filter Frame Style Box, Media Material Microglass, Media Color White, Media Separator Construction Aluminum, Filters Out All Combustion Smoke, Carbon Dust, MERV 17-20 Virus, Sea Salt