... 3,5 gallon bottle( 58mm neck size) New PP material Manual Water PumpModel: WP-003 Description: 1.Material:PP, food-grade ... ,without smell or toxic material to ensure water quality.2.Can be used with 3,4,5 ... gallon water bottle, Neck Dia. of the bottle: 56mm(standard), 58mm ... on the top of the pump. Why use SKL Manual Water Pump? 1.No batteries required. 2.No drips or ...