The battery water pump are water-drawing tools specially designed for the users. It is used for the 5 gallon water bottle. The battery water pump 1.Material:ABS, P.E, food-grade,without smell or toxic material to ensure waterquality. 2.Can be used with 5 gallons water bottle, Neck Dia. of the bottle: 56mm(standard), 58mm Advantage:1.Battery operated. (2*LR20,D Size) 2.No drips or leakage. 3.Great ...