The reverse osmosis system DWM-102S will solve all your issues with household water treatment and eliminate the need for bottled water. For reverse osmosis systems the quality of the incoming water does not matter, it will remove any impurities from the water, including toxic substances, bacteria, and viruses. The system will eliminate the scale for the entire life cycle of the membrane.With DWM-102S, you can be sure that water you use for drinking, cooking, baby food, and home appliances is completely clean. It completely removes hardness salts from the water, which means it will provide a long service life for the coffee machine, kettle, slow cooker, iron, and steamer. The humidifier will no longer cover the furniture with a white coating.