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

Either 4 "D" size alkaline batteries or an optional 6-volt DC power supply  are needed to power the adjustable paper towel holder

The Bradley 8120-001240 is a straight grab bar that measures 1-1/2 inches in diameter

Bradley S07-040 Valve- Individual Solenoid Replacement Part

Measuring 8-3/16 inches in width by 4-13/16 inches in height

Elkay LRAD2521605-CU 18 Gauge CuVerro antimicrobial copper 25' x 21.25' x 6' Single Bowl Top Mount Sink Bathroom Stall Doors The unit requires a rough18 Gauge CuVerro antimicrobial copper 25' x 21. 25' x 6' Single Bowl Top Mount Sink