The invention relates to an exhaust air purification device for a livestock stable comprising at least one exhaust air scrubber having a filter body that can be wetted with a scrubbing liquid or that can absorb a scrubbing liquid; and a scrubbing liquid container holding a scrubbing liquid; wherein the at least one exhaust air scrubber is arranged on a moving device, the moving device being designed and arranged to immerse the at least one exhaust air scrubber completely or partially into the scrubbing liquid in the scrubbing liquid container.