American Standard TU105500.GN0 Studio S Valve Trim Kit with Pressure Balance Cartridge, Brushed Gold

["Includes One-Piece Cartridge: Simplifies installation and maintenance","Double Ceramic Pressure Balance Cartridge: Combination of Ceramic Disc Mixing Valve and a Ceramic Balancing Spool in a one-piece cartridge","Ceramic Disc Mixing Valve: Assures a lifetime of drip-free performance and smooth handle operation","Ceramic Balancing Spool: Maintains a constant output temperature in response to changes in relative hot and cold supply pressure. Ceramic material is unaffected by mineral deposits and harsh water conditions","Integrated Check Valves: Engineered to eliminate cross flow"]