This Delta Trinsic T27859 17 Series Pressure Balanced Valve Trim Less Roughin in Chrome is a premier finishing that will resist rusting and corrosion. The wall-mounted single-hole faucet mounting type has an integrated 3 function shower diverter for 2 shower applications. The bottom handle controls on/off and adjusts volume while the top handle controls diverter functions. The pressure balanced valve trim has dual cartridges control the water temperature and volume independently. It is ADA compliant, approved for commercial use, and features water conservation. Item is open box never installed. Item was inspected no visible defects found.