AnyWater Mini Bio-Mineral Pot Produces Alkaline Mineral Water Changes tap water into Alkaline Mineral Water Activated Carbon: eliminates contaminants such as chlorine, volatile organic compounds, heavy metals Increases Water Alkalinity - up to 9.5 pH obtainable (dependant on source water) Bottle holds 600 ML (20 Ounces); 1300 Refills per filter (approximately 90 days Manufactures 90 Day Limited Warrarnty from Defects