Uses 100% natural propellant. Air wick is propelled only by fresh air to deliver a cleaner fragrance experience in a dynamic soft mist spray. Effective at eliminating strong odors. The fragrance acts in seconds and lasts up to one hour. 0% less carbon footprint per unit than traditional Air Wick aerosols. Scent: Fresh Waters?; Physical Form: Liquid; Application: Odor Control; Capacity (Volume): 18 oz.