24/7 Odor protect technology. Up to 60 days (based on low setting) of freshness. Nothing but the ingredients you need. Great fragrance. No added water. Free from phthalates, acetone. Helpers: C13-14 Isoparaffin, Carries the fragrance: Butane, hydrofluorocarbon 152A, propane - Propels the fragrance. Health. Hygiene. Home. www.airwick.com. For more ingredient information, visit www.airwick.com. Questions? 1-800-228-4722. Environmental Tips: Please recycle when empty. This steel can is recyclable.