MULTIPLE FUNCTIONS: Built-in transfer valve directs the water flow to multiple showering functions VALVE REQUIRED: This trim kit requires valve # 2521, 2551, 2571, or 2581 to complete the installation PRESSURE BALANCING: Posi-Temp valve (sold separately) helps maintain water pressure and temperature even when other water sources in the house are in use WARM AND INVITING: Brushed Nickel finish provides a lightly brushed warm-gray metallic look MODERN DESIGN: The Gibson shower system features a sleek and modern design, adding a touch of contemporary style to any bathroom ADA COMPLIANT: Complies with Americans with Disabilities Act (ADA) specifications BUILT TO LAST: Backed by Moen’s Warranty, for your long-term peace of mind