KRAUS Bolden water filter faucet
Single hole · DuoPure: 2 independent water lines · 1.6 gpm filtered, 1.8 gpm tap · stream, spray, filtered · 360° swivel · brass body · lifetime warranty · filter not included
A commercial-style pull-down with a built-in filtered-water outlet on its own independent line, 1.6 gpm filtered, brass body and lifetime warranty — the filter system is sold separately.
Best for: A kitchen adding or keeping an under-sink filter, where a second faucet hole is not wanted
≈ $330