The mounted nebulizer with cannon allows fast treatments on large surfaces with excellent coverage results. The frame is in hot-dip galvanized steel section on which the totally empty polyethylene tank, circuit washing tank, hand washing tank and COMET membrane pump are mounted. The fan unit has a standard diameter of 450 mm. The nozzle holder pipes are made of stainless steel on which the anti-drop brass jets are fixed. The conveyor has two or three movements respectively to act on the rotation of the cannon head or on the inclination of the conveyor. The cannon terminal is supported by a flap to direct the flow.