Within a short time (approx. 10 minutes) removes the unpleasant odors that are caused by bacteria and mold in air conditioning systems, ventilation ducts or vehicle interiors. Simple use without removal of the pollen or dust filter. A pleasant, fresh fragrance lingers behind. Works to prevent allergic reactions. Applications: Before applying the product the surface of the evaporator should be dried by using the vehicle heating system. For this, the engine must be started. Afterwards the air conditioning system must be switched off. Set the temperature switch to max. (warm) and the heating and ventilation system to legroom position. Let the system operate for 10 minutes at max. fan power and in recirculating mode. Shake the can well before use.