UPLC Check Valve Assy, Spring Loaded Back Catalog number: CTS-21100 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10493 Check Valve Cartridge, 2/pk Price on request 11-1239 Ferrule, 1/16", SS, 10/pk Price on request CTS-A11336-02 Cartridge, Intelligent Valve, 2/pk Price on request