Dafi Alkaline UP Water Filters provide you with water of higher pH level and negative OR potential. Thanks to unique and innovative ceramic bed water, alkaline water helps you maintain proper alkaline-acidic balance in your body. Moreover, it aids in appropriate functioning of muscular and digestive systems. Higher pH level of the water improves immune system and slows aging process. Negative OR potential makes water an antioxidant. Our filters fits all water pitchers from our offer.