drinking water pump is used for 3,5 gallon bottle,it is a perfect drinking tool. electric drinking water pump1.Material:ABS, P.E, food ... brush for easy cleaning. 6.Stable liquid flow.manual drinking water pump:- Heavy-duty vacuum action (works like a pressure pot)- Dispenser ... plastic pipe with brush after long useYou can use manual water pump to drink gallon bottle water outside drinking water pump