UPLC Primary Check Valve Assy, 2/pk Back Catalog number: CTS-A11094-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request CTS-A11133 Tube Assembly, Transducer to Check Valve Price on request CTS-11080 Alliant Solvent Mgr PM Kit Price on request