Outlet Check Valve Cartridge Back Catalog number: CTS-0620 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11342 Tube Assembly, Transducer to Check Valve Price on request CTS-10583 Plunger Rinse Seal Price on request 11-3321 Wash Seal Gasket, 6/pk Price on request