... O2. Main parts have: electrolysis cell, power system, gas/water separator, cooling system, safety system, gas cleaning system, ... voltage220V±15%, 110V±15% 50--60HZWater requirementpure waterWater AddingBy manual Water consumption ( Liter/Hour )0.06Equipment size (mm)480X280X360Weight ... productShow(); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); 10 years lifetime Water Welder HOG-100