Kingston Brass KS8619ML English Country 4-Inch Deck Mount Centerset Lavatory Faucet with Brass Lever Handle, Brushed Nickel and Polished Brass Brass construction 1/4 Turn ceramic disk cartridge Metal lever handle Max 1.2 GPM/4.5 LPM Water Flow Rate At 60 PSI (ASME standard) Compliant with California Energy Commission Title 20