UPLC Check Valve, Double Ball & Seat, 2/pk Back Catalog number: CTS-A11095-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request 11-2570 Needle Seat Price on request 11-4134 Rotor Seal & Pod Repair Kit, Vespel, 3-Groove for Price on request