Check Valve, Cartridge Back Catalog number: CTS-21480 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21169 Assy, Capillary, 90mm x 0.17mm ID, w/Fittings Price on request 11-1598 Check Valve Assembly, Inlet Price on request CTS-21243 1/16'' Ferrule set, 2/pk Price on request