Do We Get Pure and Fresh water from RO filtration ?

​Table Of Contents Do We Get Pure and Fresh water from RO filtration ?Does RO Filtration, Really Provide Pure water ?Why an additional RO filtration is required?How RO filtration technology Protect us from harmful Contaminants in water?How RO Purifier works?How to Improve Life of RO membrane ?How to Buy RO Water Purifier ? Do We