Moen UT2191 Align Pressure Balanced Valve Trim Only with Single Lever Handle - Less Rough in Brushed NickelTechnologies and Benefits: M PACT: The innovative common valve system from Moen gives the homeowner the most functionality and convenience when it comes to bathroom faucets. Designed to be a catch all valve system, once M PACT is installed you can upgrade the style of the lavatory or shower faucet without replacing any of the faucet plumbing. Moen UT2191 Specifications: Valve Trim Height: 6 1 2" (bottom to top)Valve Trim Width: 6 1 2" (left to right)