Tube Assy, BSM Outlet to SM Back Catalog number: CTS-21075 Availability: In the manufacturer's stock Price on request - + Recommended CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request 11-1239 Ferrule, 1/16", SS, 10/pk Price on request CTS-10985 600/610 Performance Maintenance Kit Price on request