The Flash 3-Way Integrated Shower Diverter Rough-In Valve, with pressure balance valve cartridge, is an innovative design developed by American Standard to make installation easier and showering more enjoyable. Featuring a flat back for flush mounting on the cross brace, and a compact body to accommodate tight spaces, the Flash Integrated Diverter Rough-In Valve delivers unmatched convenience and versatility. The pressure balance valve cartridge is equipped with ceramic disc valve and ceramic pressure balancing spool to ensure drip-free performance, a reduced risk of scalding, and resistance to harsh water conditions for exceptional durability and lasting performance.