Filters, Actual Height 26 in, Actual Inside Dia. 9.5 in, Actual Outside Dia. 13.86 in, MERV 11, Configuration Helix Inner Core, Expanded Out, Media Type Cellulose, Media Color White, Flame Retardant No, Max. Temp. 200 Degrees F, Abrasion Resistance Good, For Use With Dirt/Dust Particulate Removal, Application Paper Dust, Mineral Processes, Metal Processes, Dry Chemincal Processing, Fiberglass, Weld Smoke Fumes, Shot Blasting