The hand pump is easy to assemble and the pump tubes are removable for easy cleaning. The pump's adapter fits most standard water jugs and can be switched to a different jug in just seconds. Easy to use - just press down the pump head. Innovative vacuum action for easy pumping. Suction tube with adjustable length to suit different Bottle Manual Drinking Bottled Water Hand Pump Dispenser with Tube. It features plastic construction for long life span and easy to clean. Economical - no battery costs no motor This Water Hand Pump fits most standard water bottle sizes. Lightweight and compact, this Bottled Water Pump is easy to carry! It is suitable for home, office, school, factory, hospital, camping, sports, and more.