The invention relates to a container (1, 10) for holding a liquid, in particular an infusion liquid or irrigation liquid, said container having a liquid phase (6), which contains the liquid, and having a gas phase (4), wherein a liquid opening is formed in the lower region of the container (1, 10) in the operating position and wherein the container has a gas opening. The gas opening is formed by a gas tube (3), which is permanently connected to the container (1, 10) and has a first gas tube end (12) and a second gas tube end (13). The first gas tube end (12) extends into the gas phase (4) of the container (1, 10) and is provided with a closure. The second gas tube end (13) opens outside of the container (1, 10).