The most reasonably priced component used on the Z50j2 Monkey Japan Air Cleaner is the Screw,pan 5x20.
On this parts fiche the Screw-washer,5x12 is the most specified component.
Some items from this specific schematic: Clip B10,tube, Band,air/c Conn.t, Screw-washer,5x12, Clip C11,tube.