The unit requires a rough opening that is 15-3/4 inches in width by 54-1/2 inches in height by 3-1/2 inches in depth

Bradley 119-078 Core-Showerhead Replacement Part

Bradley S27-319 VACuum Breaker-Watts-S8C Replacement Part

and retaining nut

Bobrick B-2888 Toilet Tissue Dispenser, Multi-Roll, Stainless Steel Length-30" The unit requires a roughWall Mount Satin finish stainless steel Holds two standard core toilet tissue rolls 6 1 16" W x 11" H x 5 15 16" D The Bobrick model B 2888 surface mounted multi roll toilet tissue dispenser attaches securely to the wall with two rivets and can hold two 1800 sheet rolls of toilet tissue that are 5 1 4 inches in diameter or less. Both the cabinet and door of the dispenser are crafted from 18 and 22 gauge type 304 stainless steel with a satin finish.