ROUGH SOLD SEPARATELY: Diverter trim kit only, purchase recommended rough-in valve model R22000 separately to complete the unit DUAL-FUNCTION TOP HANDLE: The dual-function shower handle allows you to adjust the water temperature and volume separately for maximum control INTEGRATED DIVERTER BOTTOM HANDLE: The unique, integrated design incorporates both the dual-function handle for water volume, temperature control, and the 3-setting diverter (2 individual positions and 1 shared position) PROTECTION FROM SUDDEN TEMPERATURE CHANGES: The Monitor Pressure-Balanced Valve Cartridge (included) ensures a consistent shower temperature by balancing the pressure of both hot and cold water, so no sudden temperature changes CORROSION-RESISTANT FINISH: Our finishes are intentionally engineered for durability and tested for corrosion resistance to at least 2 times industry standards TESTED AND CERTIFIED: All Delta faucet finishes are third-party certified and vigorously tested under extreme conditions to ensure years of dependable use without cracking, peeling, chipping, blistering or changing color over time LIFETIME LIMITED WARRANTY: You can install with confidence, knowing all Delta shower fixtures are backed by our warranty