Inlet Check Valve Back Catalog number: CTS-21147 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21421 PM Kit, 1290 Binary Pump Price on request 11-1239 Ferrule, 1/16", SS, 10/pk Price on request CTS-21169 Assy, Capillary, 90mm x 0.17mm ID, w/Fittings Price on request