... model 2.multi stage of PH to choose 3.home appliance 4.improve water quality water ionizer/alkaline water ionizer/jupiter water ionizerWater Ionizer ... sensor) LCD screen: Displays pH levels, 7 colors, water flow rate per minute, ionization indicator, remaining filter life ... for dual filter system, auto-diagnosisindicators, water purification, and sound. Electrolysis: 1 to 4.5 L ...