Kingston Brass KB5612PL+ Restoration 4-Inch Centerset Lavatory Faucet, Polished Brass Drip-free washerless cartridge system Matching pop-up drain included 5" 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 Lifetime premier finish 4-Inch center set installation