Filters, Actual Height 26 in, Actual Inside Dia. 8.4 in, Actual Outside Dia. 12.75 in, MERV 11, Configuration Helix Inner Core, 2 Poly Bands Out, Media Type Spunbond Polyester, Media Color White, Flame Retardant No, Max. Temp. 200 Degrees F, Abrasion Resistance Excellent, For Use With Dirt/Dust Particulate Removal, Application Paper Dust, Mineral Processes, Metal Processes, Dry Chemincal Processing, Fiberglass, Weld Smoke Fumes, Shot Blasting