Inlet Check Valve Cartridge Back Catalog number: CTS-0621 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21163 Rotor Seal, 2-Groove Price on request CTS-10985 600/610 Performance Maintenance Kit Price on request 228-35146-00ASP Plunger Seal for Shimadzu Price on request