Kingston Brass KB1605BX Heritage 4-Inch Centerset Lavatory Faucet with Metal Cross Handle, Oil Rubbed Bronze Solid brass construction for durability and reliability Drip-free washerless cartridge system 3 hole installation with 4-Inch centerset Max 1.2 GPM/4.5 LPM Water Flow Rate At 60 PSI (ASME standard) Compliant with California Energy Commission Title 20