This smoke and odor eliminator is available in 16 ounce, 1 gallon, or 5 gallon containers. It infuses pleasant and fresh fragrances with odor busting neutralizers to completely refresh your vehicle's smell. The chemically designed air fresheners provide maximum odor busting properties and last longer than the competition. To use, turn on your circulation and AC while turning on your air to high and simply spray towards the passenger side floor to circulate throughout your vehicle. Sold each, it is suitable for use in most makes and models.