Check Valve Cartridge, 2/pk Back Catalog number: CTS-10600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10761 HPMV 1 & 2 Rebuild Kit w/Spool Price on request CTS-A11094-02 UPLC Primary Check Valve Assy, 2/pk Price on request CTS-21577 PM Kit, G1367E Price on request