1.Compatitive price with high quality 2.Material:PP 3.No batteries required. 4.Applicate for various place,school,hosipital.. Description: 1.Material ... ,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 ... on the top of the pump. 1..No batteries required. 2.No drips or leakage. 3.Great for the shed, cabin, camping, etc ...