aFe Magnum FLOW Pro GUARD 7 Universal Air Filter F 3.5in. B 5 (mt2 AFE Magnum Flow Pro Guard7 Replacement Filter Pro Guard 7 Replacement Air Filter AFE 72 91067 Air Filter (Pro Guard 7 Media) AFE 72 91051. Magnum Flow Pro Guard 7 Round Tapered Tan Air Filter (72 90018) by aFe. This Pro Guard 7 performance air filter outflows the factory intake by 44%. The Inverted? design of this unique OE replacement filter fully utilized the space in the stock air box to provide the most filter media of any drop in? OE replacement filter. With seven layers of progressively finer mesh cotton gauze synthetic media, this high flow oiled? OE replacement performance filter provide maximum protection with highest cumulative filtration efficiency for severe duty environments. Washable and reusable for multiple cleanings, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Integrated urethane bump seal insures tight, no leak seal over the life of the filter. aFe (Advanced Flow Engineering, Inc.) manufactures performance products for late model cars, light trucks and SUVs. The company was founded in 1999 with an initial concentration on high performance air filters. Since then, the company product line has broadened to include cold air intakes, fluid filters, exhaust systems, intake manifolds, intercoolers, programmers, differential covers, transmission pans and throttle body spacers. The team of engineers, machinists, production and sales people at aFe have many years of experience in their respective positions, and together work to ensure they produce the best automotive products on the market. Features: 7 Layers Of Cotton Synthetic Media Maximum Filtration The Best Protecting Filter Money Can Buy Requires aFe Restore Kits To Recharge Filter Progressive Bump Seal For Leak Free Seal 2 Year Limited Warranty