Patented Household Water Filter,water tap filteration 1, Eliminate Chlorine 2. Double Zinc 3 ... . Enrich Oxygen Patented Household Water Filter, ,water tap filteration, water purification, Water softener, alkaline water maker Product ... Oxygen5. Makes Energy Water6. Water could self cleanDescriptionWater filteration for household useLife time / Warranty3-5 YearsMaterials Foodclass ABSAccessoryUniversal ...