​EASTMAN 60260 1/2 in. Brass Expansion PEX x 3/4 in. MHT Washing Machine Outlet Box with 1/4 Turn Valves 

The Eastman 1/2 in. Expansion PEX Center Drain Washing Machine Outlet Box provides a safe water supply installation for washing machines. It is a one-piece box built with high-impact, non-corrosive plastic. It has a recessed design that accommodates 1 in. drywall. The outlet box comes with a pre-installed support bracket, a faceplate cover, and 1/4-turn hot and cold ball valves for shutoff during maintenance. This washing machine outlet box has a 1/2 in. Expansion PEX inlet connection and a 3/4 in. male hose thread outlet. It is designed for residential applications. CUPC approved.