UPLC Primary Check Valve Assy, 2/pk Back Catalog number: CTS-A11094-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11265 Kit S200 Standard Pump Seals Price on request 11-4126 Plunger Seal and Back Up Ring Price on request CTS-21577 PM Kit, G1367E Price on request