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aFe Power 21-35011 - Magnum FLOW Universal Air Filter 3-1/2 IN F x 6 IN B x 4-3/4 IN T x 7 IN H coupon_5 NPT port on the valveaFe Power 21 35011 Magnum FLOW Universal Air Filter 3 1 2 IN F x 6 IN B x 4 3 4 IN T x 7 IN H Magnum FLOW Universal Air Filter w Pro DRY S Media 3 1 2 IN F x 6 IN B x 4 3 4 IN T x 7 IN H With three layers of progressively finer mesh synthetic media between 100% polyurethane top and base, this high flow, "oil free" conical performance filter provides maximum convenience and easy maintenance with excellent airflow. Washable and reusable for multiple