With three layers of progressively finer mesh synthetic media between a 100% polyurethane top and base, this high-flow oil-free inverted conical performance filter provides maximum convenience and easy maintenance with excellent airflow. Washable and reusable for multiple cleanings, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service intervals. A pliable polyurethane flange with integrated bumps ensures a tight, leak-free seal for the life of the filter. This filter has a 99.2% filter efficiency.