KOHLER ceramic disc valves exceed industry longevity standards for a lifetime of durable performance Two lever handles offer separate control of hot and cold water Coordinates with other products in the Purist collection 1.5 gpm (5.7 lpm) maximum flow rate at 60 psi (4.14 bar) Premium metal construction for durability and reliability. KOHLER finishes resist corrosion and tarnishing. Two-hole installation. Flexible supply lines simplify installation.