ROUGH INCLUDED. The Delta MultiChoice Universal Shower Valve (included) is compatible with most Delta shower trim kits, so you can switch out or upgrade your shower fixture without tearing out expensive tile or altering plumbing behind the wall 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 (coverage measured in accordance with EPA WaterSense Specification for shower heads, March 4, 2010) 5 POWERFUL SPRAY OPTIONS: Shower head spray settings include H2Okinetic PowerDrench spray, full body spray, full spray with massage, massaging spray, and pause 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 from toilet flushing or running appliances CORROSION-RESISTANT FINISH: Our Brilliance finishes are intentionally engineered for durability and tested for corrosion resistance to at least 2 times industry standards EASY TO CLEAN: Delta faucets with Touch-Clean spray holes allow you to quickly and easily wipe away calcium and lime build-up with a touch of a finger You can install with confidence, knowing all Delta shower fixtures are backed by Delta Faucet's Lifetime Limited Warranty