WellBlue Alkaline Black Water Replacement Filters Creates silky-smooth and great tasting water which is pefect for direct drinking and cooking. 2 Month Supply. Helps filter out chlorine and other contaminants and permanently absorbs metals such as lead and copper. Offers pH 8.5  10.5 to help support systemic pH balance in the body. (Typically increases pH by 2 or more points). Reduces lime scale. Increases active hydrogen. Reduces water molecule size which create a very absorbable water. Increases the alkalinity to make your drinking water more vital Provides low negative ORP: -100mv to -350mv which reduces the oxidation of your body and make you younger