Valve Kit for Diaphragm Pump Vacuum

Spare rubber valves in silicone material for diaphragm pump Vacuum PN 03-01-029 and 03-01-030. Two kits needed to replace all 4 valves. For optimized tightness and to prevent back flow, 2pcs in a kit. Can also be used for PN 03-01-003/004 (4 valves, 2 kits), PN 03-01-002/003 (2 valves, 1 kit) and PN 03-01-015/016 (2 valves, 1 kit).