... , simple but useful in many places.manual and hand press water pumpProduct Size: DIA 9X15CMMeas:50x38x51CMPackage: 60PCS/CTN, around 38, ... working, just press pump head;No battery cost,no motor;fits for most standard water bottles;can be used in home, ... office, school, factory, hospital etc. manual drinking water pump for 5 gallons water bottle