Water plays a very important role in our lives. Today almost every home has a Water Filter Cartridge. The most easy-to-assemble or make and cheap filter is Countertop water filter. In market, they are available at very cheap rates .Their installation is just so easy.The water that is purified has many positive effects on human body, as proved by doctors and researchers. We are further going to look into the benefits of the water purified by this countertop filters.The main reason for the harm caused to our body are the toxins present in the water,and which finally results into other dangerous diseases . Examples of disease caused by impure water are Diarrhea, Constipation, Abdominal problems etc. Drinking such water for the first time may result in feelings like that of illness or weakness and may also result in vomiting-like feeling. So its very important to drink purified water.