Allows for right, left, or center drain and bottom or top mount valves. 2′ drain opening fits PVC or ABS Schedule 40 DWV (drain waste vent) pipe. Includes a single lever brass ball valve with copper sweat connection. Includes 4 mounting brackets. Snap-on faceplate frame accommodates up to 1′ drywall with dimension: 11-3/4′ W x 10-1/8′ H.