This Environmentally Friendly Water Dispenser is a manual pump for bottled water that is great for camping, sports, home, school, factory, office and more. The hand pump is easy to assemble and the pump tubes are removable for easy cleaning.The pump fits most standard water bottles and can be switched to a different one in just seconds. Easy to use - just press down the pump head - manual operation no power required. Sometimes there isn't enough kitchen space for a cooler. With this, you can still buy and use the large bottles of water. Having a party? Or need to supply water quickly to a lot of people? You can take a bottle of water with you camping or to your cottage, and use the hand press dispenser. Never lift a heavy water bottle again!