ALFI brand AB3101 Shower Valve Mixer with Rounded Lever Handle and Diverter, Brushed Nickel Solid brass construction coated with a Brushed Nickel finish Single Lever control. UPC logo of authenticity etched on unit Single Hole wall mount installation. H & C letters etched on plate to indicate location of Hot & Cold water Sleek modern design The pressure balance feature helps to maintain a consistent water temperature in response to changes in hot and cold water supply pressures.