With the modern life style , the number of diseases among humans are increasing day by day. It is really a god thing tat the living style and food habits of humans are improving day to day. But on the other side, this trend has a negative effect also. As the life style and food habits are changing , the number of community diseases are also increasing. More and more new diseases are being reported each day. One of the main reason for this trend is the change in food habit. When talking about food habits, the role of water has a very important role in it. If the water you drink is not pure , it will seriously affect our health and life style. So ensuring the quality of the water we drink is very important. One of the best method to do so is by using a water purifier. A water purifier is an important element in any household. There are many companies who offer five or six stage purification process.