Seychelle pH2O Pure Water Pitcher with Alkaline Filter - pH Enhanced up to 9.5 - ph20 Enhances the alkalinity (pH) of drinking water sources up to 9.5. Water maintains an alkaline state for up to 60 days. Filters up to 100 gallons. BPA-free. Filters Made in the U.S.A. Quick fill lid, no removal required. Replaceable filter change reminder Removes up to 99.99% of toxic chemicals, contaminants, and pollutants found in fresh water supplies 1 liter capacity (32oz). Extra filters available.