The PowerFlo Pump is a USB rechargeable battery operated water pump. This is a great addition to any water dispenser product. The pump fits 5 gallon jugs or any jug with a 2″ mouth opening. Pump can also be held in hand to quickly dispense water. Use with Sagan Life® products to quickly provide purified, delicious water for drinking and cooking. Simply attach the tubing to the pump on one end and the powerful Journey Filter on the other side for a steady flow of purified drinking water.