UPLC Check Valve, Double Ball & Seat, 2/pk Back Catalog number: CTS-A11095-02 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-0621 Inlet Check Valve Cartridge Price on request CTS-21264 Uncoated Needle Kit Price on request CTS-11092 O-Ring, PTFE Price on request