Abstract: A gas scrubber apparatus for cleaning impurities from a gas such as air, having a pair of tanks partially filled with water, and each having a tower extending vertically therefrom. Gas is fed to one or the other tower, past a plurality of sprinklers located in the towers, and against the water in the bottom of the tank, and then out an outlet. A pump pumps the water through a filter from each tank to the sprinklers in the tower, and the water may have added chemicals for improving the scrubbing action.