ROUGH SOLD SEPARATELY: Trim kit only, purchase Delta's MultiChoice Universal Shower Valve separately to complete the unit (recommended rough-in valve model R10000) DUAL-FUNCTION HANDLE: The dual-function shower handle allows you to adjust the water temperature and volume separately for maximum control CONSISTENT TEMPERATURE CHANGES: The TempAssure Thermostatic cartridge measures and monitors the temperature of the water and automatically adjusts to maintain a more precise water temperature CORROSION-RESISTANT FINISH: Our Brilliance 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 ADA COMPLIANT: This trim kit meets standards set by ADA (Americans with Disabilities Act) You can install with confidence, knowing Delta trim kits are backed by Delta Faucet's Lifetime Limited Warranty