Air Conditioning -Cleaner Eliminates mold, mildew and microorganisms from the evaporator case and removes odors from ductwork the. Requires no tools for application and Leaves a pleasant fragrance to Prevents future odors Cleaner is applied via the drain tube or through the fins of the blower which leads directly to the evaporator by way of the intake vent. The special cleaning foam is then injected into the system where it removes pollen, dust, nicotine film, and odor causing agents Designed to clean and deodorize the entire Car AC system, this product includes a foaming cleanser to flush contaminants from the evaporator case, and a refresher to treat the ductwork system. This product chemically neutralizes odors and then leaves behind a pleasant fragrance and a water-insoluble coating on the evaporator Strong enough to break down road grime and other stubborn debris built up deep within the evaporator core. Clean Air is Non-toxic, bio-degradable, non-corrosive proven safe formulation Thick foaming formula allows for long work time ensuring effective cleaning. Foam-based and free of caustic cleaners and irritants and one can enough to do a full size vehicle including SUV's and trucks