UPLC Primary Check Valve Assy, 2/pk Back Catalog number: CTS-A11094-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4126 Plunger Seal and Back Up Ring Price on request CTS-11091 ACQUITY BSM Performance Maintenance Kit Price on request CTS-11010 515 Performance Maintenance Kit Price on request