Elements of Design Wyndham EB512B Single Handle Centerset Lavatory Faucet with Brass Pop-Up, 4-Inch, Polished Brass Constructed from solid brass for durability and reliability Our corrosion and tarnish-resistant finishes provides long-lasting use 1/4 Turn Washer less Cartridge Max 1.2 GPM/4.5 LPM Water Flow Rate At 60 PSI (ASME standard) Compliant with California Energy Commission Title 20