It is used for cleaning modern car air conditioning ducts of a complicated structure without disassembly. It quickly and efficiently removes dirt and ensures fresh air supply. It has disinfecting properties. It kills fungus and bacteria and prevents the risk of allergies and other respiratory tract diseases. Benefits: it cleans an air conditioner from dirt, ensures fresh and clean air supply from the conditioner; it disinfects the air conditioning system, removes unpleasant odors, kills fungus and bacteria; it forms an antibacterial film on the evaporator and air valves of the conditioner. Application: 1. Shake the bottle. 2. Spray the product on the cold air deflector (air duct) of the conditioner, using the extension tube to let the product flow to the evaporator. 3. Start up the engine in 15 - 30 minutes, let it idle run for 3 - 4 minutes with the conditioner fan switched on. Remarks: Spray the product when the engine is off, the doors are open and in a well-ventilated room or outdoors. It contains biologically active substances.