5 Stages of Mineralization: Mineral Stone: Adds ionically activated mineral content to your water to allow for maximum mineralization and alkalization. Alkaline Rock: Increases your water’s alkalinity which can neutralize acid and increases oxygen. Calcite Crystal: Corrects water pH and protects from metal absorption. Far Infrared: Adds Zinc and over 25 other important trace elements. Maifan Stone: Adds calcium, dietary iron, magnesium, and potassium to water. Get the essential minerals other filters take out - Calcium, Potassium, Magnesium, and other minerals your body needs right in your water. A great source of antioxidants to help you recover energy, and up to 20% more oxygen than regular water. Higher pH helps balance your water and keep your body at a healthy pH. Fast 1 Gallon Per Minute filtration. The Alkaline water filter is good for up to 6 months. This is based on average water quality. Your replacement filter life may be different depending on your water quality, temperature, and incoming pressure. Filter your water with five stages of high quality ionically activated mineral stones to allow for maximum life and water absorption. Choose the water mineralizer filter that lasts longer to give you the best value in mineralization. The Express Water Alkaline Filter is the best in alkaline mineralization filters.