Opulence 1H Shower Only Trim Kit & Treysta Cartridge Less Showerhead Satin Black Product Information Product Overview Shower Arm Length & Material: 12 Metal Shower ArmValve 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 Sold Separately Required: For Use with Gerber Treysta Rough-In Valves G00gs50 or G00gs52 SeriesSold Separately Optional: For Use with Gerber Treysta Rough-In Valves G00gs50 or G00gs52 Series