Inlet Check Valve Back Catalog number: CTS-A117 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1239 Ferrule, 1/16", SS, 10/pk Price on request 11-2401 Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Price on request CTS-21106 Seal Wash PM Kit Price on request