Inlet Check Valve Back Catalog number: CTS-21147 Availability: In the manufacturer's stock Price on request - + Recommended CTS-10285 TFE 3-Way Valve 4 (V4) Price on request CTS-10600 Check Valve Cartridge, 2/pk Price on request CTS-6809 Mobile Phase Transfer Line, TFE, 3/16" OD x 1/8" I Price on request