Elements of Design St. Charles EB2624 Centerset Lavatory Faucet with Retail Pop-Up, 4-Inch, Polished Chrome/Brass Constructed from solid brass for durability and reliability Our corrosion and tarnish-resistant finishes provides long-lasting use Features a Dura seal 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