Finest refined copper, Forming the main body, Watertight protection. kitz valve kitz valveAngle valve material:This section the ... troubles, the use of precision ceramic valve core to ensure watertight.Angle of use:Triangle valve use - protect your faucet and ... , using the Spanish track spool, 80 million times really use watertight, six nickel, chrome, 48-hour salt spray test without any ...