Outlet Check Valve Back Catalog number: 11-4063 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-21012 Compression Screws & Ferrules, 1/16", SS, 5/pk Price on request 11-1599 Check Valve Assembly, Outlet Price on request CTS-11093-02 Plunger, 2/pk Price on request