Ozone Water Purifier | Oxygen and Ozone Tap Water System (Faucet Mounted No Batteries Required) This faucet ozone generator attaches to the water tap to help purify your home water supply. This unit is powered by an internal hydroelectric generator that produces the O2 and O3 It comes with a variety of adaptors to fit nearly any faucet and it installs in minutes. The Oxygen and Ozone Tap Water System speeds oxygen absorption by the body