Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-0621 Inlet Check Valve Cartridge Price on request CTS-A11094-02 UPLC Primary Check Valve Assy, 2/pk Price on request CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request