This Environmentally Friendly Water Bottle/Jug Hand Pump is a manual pump for bottled water that is great for camping, sports, home, school, office and more. The hand pump is easy to assemble and the pump tubes are removable for easy cleaning. The pump's adapter fits most standard water dispensers and jugs and can be switched to a different jug in just seconds. Easy to use just press down the pump head manual operation no power required. Order it today at Jambo Shoppe and have it delivered to your doorstep.