Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-A11431-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3601 ACQUITY H SM-FTN Performance Main. Kit,700005236 n Price on request 11-4122 PTFE Diaphragm, LC-30AD/i-Series, 2/pk Price on request 11-1239 Ferrule, 1/16", SS, 10/pk Price on request