UPLC Primary Check Valve Assy, 2/pk Back Catalog number: CTS-A11094-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-00230-02 O-Ring, PTFE Price on request CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request CTS-21243 1/16'' Ferrule set, 2/pk Price on request