Kingston Brass KB1601PL+ Heritage 4-Inch Centerset Lavatory Faucet with Porcelain Lever Handle, Polished Chrome 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 Porcelain lever handle Fits All Sink with 3.5-Inch Drain Opening 4-Inch center set installation