ROUGH SOLD SEPARATELY: Tub/Shower trim kit only, purchase Delta's MultiChoice Universal Shower Valve separately to complete the unit (recommended rough-in valve model R10000-UNBX) 3X COVERAGE: Delta H2Okinetic Spray provides 3X more coverage than a standard shower head by creating a unique wave pattern and larger water droplets for more intensity and warmth 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 DUAL-FUNCTION HANDLE: The dual-function shower handle allows you to adjust the water temperature and volume separately for maximum control CORROSION-RESISTANT FINISH: Our Brilliance finishes are intentionally engineered for durability and tested for corrosion resistance to at least 2 times industry standards