I bought this product for my son who is studying in another city. This product is an avarage type. 3 steps of purifier processing system.
Sediment Filter, Corbon Granules and Membarane.
If water comes with odor, Membrane stop working early, and works after change it with in 4 months.
It has simple step for filteration. First sediment filter filterate the water, second activated corbon filterate particals which is apear in water and third membrane polishes it, and gives clean water. It is only perfect for supply water not muddy water.
You can buy it if you get fresh water from supply not for bactarial water.