I have been using reverse osmosis systems for many years and have chosen ISpring. I became an instant fan. These filters get the water down to zero particulates just like my other system, but with this system and its grade 6 deionization filter, I found the water to be so easy to drink that I now drink a lot, unlike before drink from it. . Taste and smell are very clean. I also check the quality when I boil reverse osmosis water for coffee. When the vapor has that clean smell like those filters do, I know they're doing their job.
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