aFe MagnumFLOW Air Filters OER PDS A F PDS MINI Cooper S 07 10 L4 1.6L aFe MagnumFLOW Air Filters OER PDS A F PDS 3 Ser 92 07 L6 FOR BMW aFe ProHDuty Air Filters OER PDS A F HD PDS Cone: 7.06F x 13.51B x 8.50T x 15H aFe 31 10224 for MagnumFlow Air Filters OER PDS A F PDS Honda Civic Si aFe For Mercedes Benz CL63 AMG 2008 2010 MagnumFlow Air Filters OER PDS. With five layers of progressively finer mesh cotton gauze media between 100% polyurethane top and base, the aFe Pro 5R heavy duty oiled cylindrical performance filter provides excellent airflow for maximum horsepower and torque for Kenworth and Peterbilt over the road trucks. Washable and reusable for multiple cleanings, the tall, open, evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Pliable polyurethane flange with integrated bumps insures tight, no leak seal over the life of the filter. The Pro 5R air filter has a filtration efficiency of 98. 6%.