aFe Takeda Pro 5R Oiled Filter 3.5 inch Neck 5 inch Height 6 inch Base 4 inch TopThe aFe Pro 5R air filter used by the Takeda performance air intake system uses five layers of progressively finer mesh cotton gauze media between 100% polyurethane top and base, this high flow "oiled" conical 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 cycle between