Outlet Check Valve Back Catalog number: CTS-A121 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10323 Sapphire Plunger Price on request CTS-A11431-02 Cartridge Check Valve Housing, 2/pk Price on request CTS-21169 Assy, Capillary, 90mm x 0.17mm ID, w/Fittings Price on request