Check Valve Assembly, Outlet Back Catalog number: 11-1599 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-0037 Tube, Left Inlet Pigtail Price on request CTS-12016 Compression Screw, 1/16", SS, 10/pk Price on request CTS-A11133 Tube Assembly, Transducer to Check Valve Price on request