Purodrops All Where water purifier is a storage water purifier backed by latest innovative technology. This water purifier is gravity based purifier and is capable of protecting your family against waterborne diseases, caused by several impurities present in the water in the form of dissolved impurities and bacteria and viruses.This purifier has been designed keeping in mind the requirements of the people. This one doesn’t need any electricity supply to function and it makes it a good choice to choose. There is no boiling of water required. All Where is a 3 stage water purifier that gives you a continuous tap water supply.