Single Lever handle of the faucet for bathroom sink is simple to use and makes adjusting water temperature easy One-piece, self-contained ceramic disc valve of this single-hole bathroom faucet allows for both volume and temperature control This modern bathroom faucet has a 1.2 gpm (4.5 lpm) maximum flow rate at 60 psi (4.14 bar) The KOHLER ceramic disc valve of this single-handle bathroom faucet exceeds industry longevity standards for a lifetime of durable performance Box includes: Assembled KOHLER bathroom faucet, supply lines, clicker drain