O-Ring, PTFE Back Catalog number: CTS-11092 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-0721 Outlet Check Valve Assembly Price on request PL7100150 MarvelXACT PLS 100µm x 150mm Price on request CTS-A11095-02 UPLC Check Valve, Double Ball & Seat, 2/pk Price on request