Advantages: 1, the use of high removal rate of type reverse osmosis membrane, which can use sea water, river water, lake, pond water, well water, swimming pool water, brackish water and other water sources create potable water. 2, the production of tap water meet the Health Ministry standards. 3, light weight, small size, easy to move custody. 4, large volume of water, according to different models, daily water consumption for 500-4000 people. 5, simple operation, making the water low cost. 6, automatic injection device with fungicides.