Outlet Check Valve Back Catalog number: CTS-A103 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-12016 Compression Screw, 1/16", SS, 10/pk Price on request 11-4126 Plunger Seal and Back Up Ring Price on request CTS-11093-02 Plunger, 2/pk Price on request