The original #1 AC Car Cleaner/Evaporator Cleaner on the market. Effectively removes odor-causing contaminants. Strong enough to break down road grime and other stubborn debris build-ups. DWD2 Clean Air Evaporator Cleaner fully covers your dirty evaporator leaving no untreated areas, and is a Non-toxic, non-corrosive, proven safe formulation – Works on all vehicle makes and models. Now you can Breathe Clean Air all year long with this quick and easy solution to your vehicle a/c problems. In as little as 25 minutes, you can free yourself of the odor-causing contamination and road grime that is accumulated in your vehicle's air conditioner. Choose Unscented or Lemon for a wonderfully fresh-air experience every time you step into your car. DWD2 Clean Air washes away allergy and odor-causing contamination. The benefits of cleaning your evaporator with DWD2 Clean Air are: You get Cleaner air, More air, and Colder air. Clean air is pet-friendly and will not harm the environment.