ROUGH SOLD SEPARATELY: Trim kit only, purchase Delta's MultiChoice Universal Shower Valve separately to complete the unit (recommended rough-in valve model R10000-UNBXHF) 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 SINGLE HANDLE DESIGN: Take control of your water temperature with the shower faucet's single handle design INSTALLATION: Installing this product may require removal of existing tile or shower walls if current valve body is not a Delta MultiChoice Universal Valve. Consider consultation with an installation professional prior to purchase EASY TO CLEAN: Delta kitchen 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, while the SpotShield finish resists water spots and fingerprints LIFETIME LIMITED WARRANTY: You can install with confidence, knowing this kitchen faucet is backed by Delta Faucet's Lifetime Limited Warranty