Moen TS3212 Rothbury Moentrol Shower Trim Kit without Valve, Chrome Chrome finish to create a bright, highly reflective, cool grey metallic look Lever design for ease of use Moentrol pressure-balancing valves deliver perfect water coverage, force and flow and have temperature memory to prevent hot and cold surges 4-Inch diameter Valve 2510 or 2590 or 2570 or 2520 not included