600/610 Performance Maintenance Kit Back Catalog number: CTS-10985 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3601 ACQUITY H SM-FTN Performance Main. Kit,700005236 n Price on request 11-1598 Check Valve Assembly, Inlet Price on request CTS-A126 Outlet Check Valve Assembly Price on request