A sample from the products for the Air Valve / Reed Valve include: Joint, L. Air Valve, Screw,cross,4x14, Hose (10x280), Bolt,flange,6x10.
With six applications this Screw,cross,4x14 is the most specified part.
The Screw,cross,4x14 is the lowest priced item on this Air Valve / Reed Valve schematic.