Pressure-balancing diaphragm technology maintains outlet temperature within +/-3°F during water pressure fluctuations Antiscald protection A single handle controls both on/off activation and temperature setting Coordinates with other products in the Parallel collection Premium material construction with metal handle ensures reliability and durability KOHLER finishes resist corrosion and tarnishing Trim only; requires valve to complete installation (sold separately) Premium material construction with metal handle ensures reliability and durability. KOHLER finishes resist corrosion and tarnishing. Trim only; requires valve to complete installation (sold separately).