Fluid dispenser

A dispensing system can include a container defining an interior and including a first portion and a second portion. The system can include a bag positioned within the interior of the container. The bag can be configured to contain a fluid therein. The system can include an inlet positioned on the container. The inlet can be configured to allow gas into the interior of the container. The system can further include a valve. The valve can be configured to move between an open position and a closed position. The end of the bag can extend through the valve. The end of the bag can define a passage in communication with an opening through which the fluid contained in the bag can be dispensed. In the open position, the valve can be configured to dispense the fluid through the opening.