1515 Performance Maintenance Kit Back Catalog number: CTS-11294 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-2294-04 Plunger Seals, 4/pk Price on request CTS-0721 Outlet Check Valve Assembly Price on request 11-2891 PTFE Diaphragm, 2/pk Price on request