Kingston Brass FS5618ACL American Classic 4-Inch Centerset Lavatory Faucet with Retail Pop-Up, Brushed Nickel Fabricated from solid brass material for durability and reliability Premium color finish resist tarnishing and corrosion 1/4-Turn on and 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