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 or 1/2 In. tapered threads with water hammer arrestor option provides water pressure shock arrestors. Includes 4 mounting brackets. Snap-on faceplate frame accommodates up to 1 In. drywall with dimension 11-3/4 In. W x 10-1/8 In. H.