Check Valve, Secondary Inlet Back Catalog number: 11-1600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1239 Ferrule, 1/16", SS, 10/pk Price on request CTS-21011 Cartridge Check Valve System Kit Price on request CTS-10692 HPMV Gold Seals, 2/pk Price on request