Kingston Brass KB8602 4-Inch Centerset Lavatory Faucet With Pop-Up Drain, Polished Brass Solid brass construction for durability and reliability Requires a 3-hole faucet installation Handles work as 1/4-turn on/off water control mechanism Max 1.2 GPM/4.5 LPM Water Flow Rate At 60 PSI (ASME standard) Compliant with California Energy Commission Title 20