A complete rebuild kit for the Surge Belly MilkerIncludes:1 x Set of 4 Magnaflex 203 Inflations (Part # MAG203)1 x Check Valve with Rubber Tip (Part # 9102X)4 x Air Tubes (Part # 64710)1 x Lid Gasket (Part # 64736)1 x Pulsator Rebuild Kit (Part # 910503)