Kingston Brass KS1498AX Heritage 4" Plate Vessel Sink Faucet without Pop-Up Rod, 6-1/2", Brushed Nickel Drip-free ceramic cartridge system 1 hole sink installation ASME A112181, ANSI/NSF 61 Sec 9 code Max 1.2 GPM/4.5 LPM Water Flow Rate At 60 PSI (ASME standard) Compliant with California Energy Commission Title 20