pH Alkaline Mineral Drinking Water Filter Inline Produces perfectly ph-balanced alkaline water, helps minimize the fluctuations of your body's pH. You can attach this to any Reverse Osmosis Water System. Includes tubing, 2 connectors, and 2 clips. Filter Size : 2"x10" This filter improves the qualities of clean water by adding necessary for proper human development and health minerals, such as Calcium, Magnesium, Sodium, Potassium and others readily found in many natural mineral waters. Get the quality of expensive mineral bottled water at fraction of the cost!