Raid Ant & Roach Aerosol Outdoor, Fresh Scent, 17.5 oz: * Raid Ant & Roach Killer 17 kills roaches in two ways: 1. It kills bugs fast-on contact and 2, it keeps on killing with residual action even after you spray, for up to 4 weeks. * Contains no cfc"s or other ozone depleting substances. Federal regulations prohibit cfc propellants in aerosols. * Kills on contact. * No lingering chemical odor. * For household use only.