Balance PH Level Human body tightly regulates the overall pH+ level with limited fluctuation from 7.35-7.45. The alkaline system moderates acidity of purified water from RO purification system into a slightly alkaline (7.5) level to better fit your body. Restore Essential Minerals Standard reverse osmosis units removes helpful mineral togther with contaminants. TAM3 restores key minerals. Address side-effect of RO system Ensure daily mineral intake Great Compatibility For RO Systems The system comes with 1/4’’ plastic tubing, which is compatible with most of RO under counter filtration systems. lease kindly note that TAM3 filter should be used as post filer after RO systems. 1/4" quick connect Universal compatible for RO units Auto Shut-off Design Thanks to auto-shut-off design, the cartridge replacement is rather easy without cutting off water supply. Forget the guess work. ✔Twit to change ✔3 seconds replacement ✔DIY Installation Money Saving Choice The filter housing is reusable. When replacing the filter, you only needs tothrow away the inside filter cartridge instead of discarding the entire plastic part. ✔Money saving ✔Change inside cartridge ONLY Remove Odor & Polish Favor As a double checker, the carbon block further removes remaining pollutants and odor, and also polish the favor. The final water running out from dispenser is now your best choice for coffee and tea brewing. More Essential Minerals = Higher TDS Value But now TAM3 under sink post filtration adds these minerals back to your drinking water. Therefore, TDS results may be slighly higher than the results of filtered water directly from RO membrane.