Manual Water Pump,For 3,5 gallon bottle( 58mm neck size) New PP material Manual Water PumpModel: WP-003 Description: ... -grade,without smell or toxic material to ensure water quality.2.Can be used with 3,4, ... push down on the top of the pump. Why use SKL Manual Water Pump? 1.No batteries required. 2.No ... pumps in China,both hand pump and electronic pump,for 5 gallon bottle or small bottle,like 5Li,8li.... ...