Replacement Alkaline pH Filter for the Seychelle pH2O Pure Water Pitcher. Unlike other water pitchers on the market, the Seychelle pH2O pitcher guarantees cleaner, healthier water by removing up to 99.99% of the 90+ known tap water contaminates regulated by the EPA and by raising pH levels up to 9.5pH. The original alkaline water pitcher. Seychelle was among the first alkaline water pitchers and has been the most trusted name in water filtration for over 20 years. Increases pH up to 9.5 and filters up to 100 gallons. Filters made in the USA and tested both Nationally and Internationally. Seychelle pH2O Alkaline Water Pitcher is tested to remove up to 99.99% of the following zones of contamination: Aesthetic contaminants: bad taste, odors, cloudiness, silt and chlorine Chemical contaminants: Fluoride, toxic chemicals, trihalomethanes, PFOA, PFOS, PCB's, DDT, glyphosate, herbicides, detergents, pesticides and benzene Inorganic contaminants: aluminum, asbestos, cadmium, chromium 6, copper, arsenic, nitrates & nitrites, lead and mercury Radiological contaminants: radon 222 Hassle-free lid fill. Replacement pH2O Alkaline filters available. Water Ionizer, with added minerals for healthy hydration.