Power Bar from Sioux Manufacturing Cco.
Power Bar Sioux Manufacturing Co. siouxchief.com Universal slider bracket (USB) - 80% stronger than standard USB - Expands to fit cavities 14" to 26" wide - Features dual fastening tabs to ensure secure installation, suitable for securing tub/shower valves, shower risers, tub drops, and any water supply stub out in new construction or remodels