UPLC Primary Check Valve Assy, 2/pk Back Catalog number: CTS-A11094-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request CTS-A125 Inlet Check Valve Assembly Price on request CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request