Best affordable Alkaline Antioxidant Water Ionizer that is all-natural with .02 micron filtration which is un-matched in the industry. Proprietary technology uses carbon block minerals to surpass Antioxidant, ORP, and PH levels as well as the highest water flow rate compared to more expensive ionizers. Installation is simple for a handy person or plumber with options that allow for fast countertop or under counter with plug and play outlets for refrigerator and external faucet. The unit comes all 4 cartridges, and an additional #3 cartridge. Customers rave about the health benefits associated with drinking purified Alkaline Antioxidant water.