Gerber Plumbing has been manufacturing premium plumbing accessories from shower heads to faucets to china fixtures since 2001. Not only providing necessities, the products include a variety of decorative faucets and bath accessories. Designed with comfort, durability, and style in mind, there is no question that this should be your choice when it comes to modern plumbing. Product Information Product Overview Diverter Location: Diverter on ValveValve Type: Pressure BalanceBrand: Gerber Features Cartridge Type: Includes Treysta Ceramic Disc Pressure Balance CartridgeIntegral Check Valve: Integral Check Valves in Cartridge Body to Prevent Cross-FlowWarranty: Limited lifetime Description Opulence trim kit now includes the new Gerber Treysta Ceramic Disc Pressure Balance Cartridge. A Gerber Treysta rough-in valve body is required and is sold separately. Components Cartridge Included: YesSold Separately Required: For Use with Gerber Treysta Rough-In G00gs55 Series with Diverter on ValveSold Separately Optional: Deep Wall Extension Kit D113001 and Shallow Wall Extension Kit Ga663b11