Up to 70 days (based on low setting for freshmatic device model RB066) of freshness. Health. Hygiene. Home. 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. Environmental Tips: Please recycle when empty. This steel can is recyclable.