Oatey 38934 2-Inch 1/4 Turn Brass Ball Valves, Copper Sweat, Standard Pack High impact polystyrene. 4 support brackets. Easy drain knockout. Top mount knockouts. Box Dimensions: 8-3/4""W x 7-1/2""H x 3-5/8""D. Faceplate Dimensions: 11-3/4""W x 10-1/8""H. Washing machine outlet box Easy drain knockout Top mount knockouts High impact polystyrene 4 support brackets