Kingston Brass KB1604PX+ Heritage 4-Inch Centerset Lavatory Faucet with Porcelain Cross Handle, Polished Chrome and Polished Brass Drip-free washerless cartridge system Matching pop-up drain included 6" spout height 1.2 gpm maximum flow rate at 60 psi to help reduce water usage Compliant with California Energy Commission Title 20 Brass construction Duraseal washerless cartridge 4-Inch center set installation Max 1.2 GPM/4.5 LPM Water Flow Rate At 60 PSI (ASME standard) Compliant with California Energy Commission Title 20