Symmons Dia Two-Handle 4 Inch Centerset Bathroom Faucet with Pop-Up Drain & Lift Rod, Chrome (SLC-3512-1.5) Two handle centerset bathroom faucet with lift rod and metal drain assembly 4 inch mount, Quarter turn ceramic cartridges & 1/2" IPS inlet connection Water Sense & ADA Compliant 1.5 gpm (5.7 L/min) flow rate Consumer - Limited lifetime warranty / Commercial - 5 year warranty