Delta Tesla 17 Series Dual-Function Shower Trim Kit with Three-Spray Touch Clean H2Okinetic Shower Head, Stainless T17252-SS (Valve Not Included) 3X COVERAGE. Delta H2Okinetic PowerDrench 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) ROUGH SOLD SEPARATELY. Shower trim kit only, purchase Delta's MultiChoice Universal Shower Valve separately to complete the unit (recommended rough-in valve model R10000-UNBXHF) LIFETIME LIMITED WARRANTY. You can install with confidence, knowing this Delta shower head and shower trim kit are backed by Delta Faucet's Lifetime Limited Warranty PROTECTION FROM SUDDEN TEMPERATURE CHANGES. The Monitor Pressure-Balanced Valve Cartridge (included) ensures a consistent shower temperature, while the dual-function shower handle allows you to control the water temperature and volume separately for maximum control 3 POWERFUL SPRAY OPTIONS. Shower head spray settings include H2Okinetic PowerDrench spray, full body spray, and pause