Allows for right, left, or center drain and bottom or top mount valves. Fits PVC or ABS Schedule 40 DWV pipe. Includes 1/4 turn brass hammer ball valves. Copper sweat connection with water hammer arrestor option provides water pressure shock arrestors. Includes 4 mounting brackets. Snap-on faceplate frame accommodates up to 1" drywall with dimension 11-3/4" W x 10-1/8" H.