Valve type: copper spool + ceramicsTechnology: polishing + platedMaterial: copperInstallation: into the wallPurpose:1， be used to connect faucets， toilets， water heaters and other water pipe.2， adjust the water pressure.3， help to check and control water pipes.Features:1， high-quality metal products， not easy to scale deposition， high pressure resistant， high temperature resistant， frost crack resistance.2， international G1 / 2 universal threaded aperture， high-precision thread， in order to ensure no leak.3， high pressure ceramic valve core， ceramics which is no shrinkage， no porosity， high strength， flat smooth， little friction， high temperature resistant， high viscosity.Package included: 1 * valve