Single lever handle of the faucet for bathroom sink allows for both on/off activation and temperature setting KOHLER ceramic disc valves exceed industry longevity standards of this single handle bathroom faucet for a lifetime of durable performance This KOHLER bathroom faucet includes clicker drain with 1-1/4" (32 mm) metal tailpiece This modern bathroom faucet has a 1.2 gpm (4.5 lpm) maximum flow rate at 60 psi (4.14 bar) This single-handle bathroom faucet coordinates with other products in the Honesty collection