This washing machine outlet box has a 1/2-inch inlet connection and a single lever valve connection. It features a 10-3/16 x 8-13/16-inch snap-on faceplate and has a centre drain. This outlet box measures 8-1/4 width x 6-1/8 height x 3-3/8 inches depth and is made of DZR brass. This washing matching outlet box comes with a water hammer arrestor included.