A great article to study. In fact Water Ionizers are Probably the most wonderful equipment to buy for your home. There are 2 filters A part of the package, but there is an option to setup an exterior 3-stage water filter for an a lot more thorough filtration process. Free https://allhealthmarket.com/product/home-care-2/hydrogen-generator/hydrogen-water-generator-300ml-hydrogen-inhalation-machine-h2-inhaler-therapy-hydrogen-gas-generator-water-purifier-ionizer/