O2-BK3-DPOXYGENATOR™ Livewell Oxygen Generator Pro Live Well Flush Mount The OXYGENATOR™ Pro Live Well Flush Mount is a livewell oxygen generator that will retrofit most boat live wells from 10 to 20 gallons and operates off the existing boat battery. The OXYGENATOR™ manufactures 100% pure oxygen by splitting the hydrogen molecule from the oxygen molecule in water. This creates a super saturated oxygen environment, even in the warmest water.Independent testing shows increasing oxygen in livewell improves