Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-A11431-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21075 Tube Assy, BSM Outlet to SM Price on request CTS-10600 Check Valve Cartridge, 2/pk Price on request CTS-21155 Capillary, 300mm x 0.17mm ID, w/Fittings Price on request