Outlet Check Valve Cartridge Back Catalog number: CTS-0620 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-0720 Inlet Check Valve Assembly Price on request PS7050600 MarvelXACT™ PEEKsil™ 50µm ID x 600mm Price on request CTS-10597 Wash Tube Seal Kit, 4/pk Price on request