Outlet Check Valve Back Catalog number: CTS-A121 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11095-02 UPLC Check Valve, Double Ball & Seat, 2/pk Price on request CTS-A11151 Needle Assembly, PEEK™ Price on request CTS-11371 ACQUITY I2V BSM Performance Maintenance Kit Price on request