PureAire Alkaline Water Jug - 3.5 Litres inc. 2 Filters - Filters Up To 600 Litres The PureAire alkaline water pitcher transforms ordinary tap water into antioxidant rich water to help energize and revitalise your body. Creates silky-smooth and great tasting water that is refreshing to drink. Helps filter out chlorine and other contaminants. Permanently absorbs metals such as lead and copper. Reduces limescale which, if used in domestic appliances, will prolong their life. Creates pH 8.5-10 water to help support systemic pH balance in the body. (Typically increases pH by 2 or more points).