All water purifiers have their own USPs and all claim to give the best water quality. However, what you need to keep in mind is that all water purifiers come with different technical specifications and have certain basic requirements. Knowing which one will work for you, depends on factors like water pressure, water quality and space available and if you are unsure which one you should go for, then take a look at this guide on how to choose a water purifier to select the best water purifier for home use