KOHLER K-98770-CP Awaken Shower Arm Diverter, Polished Chrome To be installed only with Kohler item only Metal in the inside, Plastic body on the outside to prevent burn when hot water flows through Diverter switches water between showerhead or handshower, or both on at one time Easily mounts on the end of your showerarm and fits most standard handshower hoses, handshowers and showerheads Includes flow restrictor that limits water flow to 2.5 gpm (gallons per minute) when one or both showering components are running