Constructed with 100% polyurethane on all four sides, this high flow OE replacement performance filter will outflow stock paper filter for improved horsepower and torque. With 3 different Filter Types available - Five Layer Cotton & Gauze (Pro 5r), Two layer Dry synthetic media (Pro Dry-S) or 7 Layer Cotton and Gauze & 2 Synthetic layers of fine mesh (Pro Guard 7) they will provide maximum convenience and easy maintenance. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between cleanings. Integrated urethane bump seal insures tight, no leak seal over the life of the filter.