Manual water dispenser pump with easy function. easy to install and use, manual without power supply, innovative vacuum action to dispense quickly or slowly as needed. lightweight, compact, easy to carry, easy to disassemble, easy to clean. ideal for camping, sports, family, school, office, etc. the drinking water pump is made of food grade pp and has an extremely long service life. get this perfect manual water pump and make your life easier, enjoyable and healthier! made of plastic which complies with food packing regulations. spring will not get rust or break like metal springs. no dripping, no leakage. durable food grade quality plastic. order for this drinking water pump online and have it delivered to your