Outlet Check Valve Back Catalog number: 11-4063 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-A094 Check Valve Cartridge, 2/pk Price on request CTS-A11342 Tube Assembly, Transducer to Check Valve Price on request CTS-10475-1 Sapphire Plunger Price on request