A. O. Smith S4 RO Water Purifier
A. O. Smith S4 is a 100% RO water purifier with 2 year warranty on the RO membrane. It incorporates a 5 stage purification system, along with Side Stream RO Membrane Technology.
A. O. Smith S4 RO Water Purifier uses one of the latest technologies that is used in water purification process. A. O. Smith S4 RO Water Purifier works under the principle of RO (Reverse Osmosis) technology which is found to be one of the most effective process. In this process, water under pressure is passed through a semi-permeable membrane. Purified water is collected for drinking in a storage tank and impurities in the water are flushed to the drain.