High Concentration Alkaline Ionizer Hydrogen Water Machine Ionizer Filter Product Name Hydrogen Water Ionizer Machine Input Voltage AC220V 60HZ/50HZ Power 375/450W PH 7.2-8.5 Hydrogen Concentration 3000-5000ppb Water Output 160 barrles/320 barrles per day Work Pressure 0.1-1.4mpa Water Quantity Municipal tap water Technology SPE hydrogen and oxygen1