Constructed from polystyrene, this washing machine outlet box is designed for both commercial and residential applications. It features a 1/4 turn brass ball valve and is compatible with PEX supply lines using the F1960 cold expansion connection. The box includes four openings to accommodate hot and cold water PEX valves, as well as PVC or ABS connections. With dimensions of 8-3/4 inches wide, 7-1/2 inches high, and 3-5/8 inches deep, it allows for easy installation and efficient plumbing management.