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