Over time, practically all air-conditioning systems will eventually start spreading an unpleasant musty smell. That is because moisture extracted from the air by the air conditioner stays behind in the filter and pipe system together with all sorts of contaminants in the air. The smell and musty air that this causes are drawn back into the room by the cooled air. HG Aircoconditioner cleaner interior cleans the internal system of the air conditioner quickly, hygienically and effectively, removing all sources of odours and the air-conditioning system spreads a wonderful fresh fragrance again. Close all doors and windows in the area of the air conditioner before use; turn the air conditioner to the strongest “cooling position” and the highest ventilation speed. Place the can of HG Aircoconditioner cleaner straight up and midway in front of the air conditioner to ensure that the spray is spread evenly and push the spray button down until it locks. Wait until the can has emptied itself and leave the air conditioner to run for another 10 minutes. Switch off the system and ventilate the area for a few minutes by opening all the doors and windows.