UPLC Primary Check Valve Assy, 2/pk Back Catalog number: CTS-A11094-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10757 High Pressure Seal Kit Price on request 11-4134 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove for Price on request 11-3795 Sapphire Plunger w/Holder Price on request