With two layers of progressively finer mesh synthetic media between 100 percent polyurethane top and base; this high flow oil free performance filter provides maximum convenience and easy maintenance with excellent airflow. Washable and reusable for multiple cleanings the tall open ev enly 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.