Whether you are a human or any other animal; it is mandatory for any living thing to drink water. However, due to the growth of industrialization, 90% freshwater has at least one or two contamination. Those heavy metals, pesticides, and excess salts are so bad for the health that you will fall sick in case you do not use the RO Water Purifier to get pure water.
http://webonlinestudio.com/blog/what-are-the-health-benefits-of-using-ro-water-purifier/