ROUGH SOLD SEPARATELY: Trim kit only, purchase Delta's MultiChoice Universal Shower Valve separately to complete the unit (recommended rough-in valve model R10000) 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 SINGLE HANDLE DESIGN: Take control of your water temperature with the shower faucet's single handle design 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