Fast knockdown! Kills on contact (Excluding harvester ants). Kills for up to 3 months (On non-porous surfaces; excluding spiders, fleas and carpenter, pharaoh and fire ants). For indoor and outdoor use. Leaves no oily residue. Guaranteed to work or your money back (Guaranteed: If you are not satisfied with this product for any reason, send your written request for a refund to the address below together with the dated store receipt showing the price you paid. Please allow 6-8 weeks for processing). www.hotshot.com. Questions or comments? Call 1-800-917-5431 or visit our website at www.hotshot.com. Contains no CFCs or other ozone depleting substances. Federal regulations prohibit CFC propellants in aerosols.