O.S #201 super air cleaner assembly reduces engine wear and assures reliable performance with longer engine life. Each filter element has been pre-treated with a special lubricant which traps fine dust particles, keeping them from entering into the engine. This product includes ne rubber elbow. Two nylon tie straps. Two pretreated foam filter elements. One set top and bottom plastic disks. One assembly screw. One assembly washer.

Assembly of air filter and mounting it onto the engine.