Check Valve Cartridge, 2/pk Back Catalog number: CTS-10600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11094-02 UPLC Primary Check Valve Assy, 2/pk Price on request CTS-21421 PM Kit, 1290 Binary Pump Price on request CTS-A11431-02 Cartridge Check Valve Housing, 2/pk Price on request