24/7 odor protect technology. Upto 70 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. www.rb.com/patents. For more ingredient information, visit www.airwick.com. Questions? 1-800-228-4722. US patents: www.rb.com/patents Environmental Tips: Please recycle when empty. This steel can is recyclable.