Inlet Check Valve Cartridge Back Catalog number: CTS-0621 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1239 Ferrule, 1/16", SS, 10/pk Price on request CTS-11091 ACQUITY BSM Performance Maintenance Kit Price on request 11-4126 Plunger Seal and Back Up Ring Price on request