Six types of filters mostly used in purifying water for city dwellersThis blog identifies the need for using the latest cognitive techniques for selection of water filters and how you can do it. The filters are used for treating water to produce drinkable waters for a long time. Now the innovations in water quality must be used to create a sustainable human society. The issue in one hand educates about the significance of water filters, how many filters, which types of contaminants can be stopped by which filter? etc are answered.