aFe Power AFE 10 90005 p Magnum FLOW Universal Air Filter 6 IN OD x 3 1 aFe 73 80294 Magnum Flow Pro Guard 7 Custom Tan Air Filter AFE Magnum FLOW Pro 5R Round Straight Air Filter 4" Flange ID 8.5" OD AFE Filters 72 90015 Magnum FLOW Pro GUARD 7 Universal Air Filter aFe 72 90038 Magnum Flow Pro Guard 7 Round Tapered Tan Air Filter. With five layers of progressively finer mesh cotton gauze media and two layers of synthetic media and a 100% polyurethane top and base, this high flow "oiled" conical inverted top performance filter provides excellent airflow for maximum horsepower and torque. Washable and reusable for multiple cleanings, the tall, open, evenly spaced pleats provide excellent dust holding capacity for longer service cycles between cleanings. The pliable polyurethane flange with integrated bumps insures a tight, no leak seal over the life of the filter.