Hit wasps and hornets hard, fast and at a safe distance with professional-strength, Enforcer Instant Knockdown Wasp and Hornet Killer. A combination of effective ingredients and a 22' range makes sure that stinging pests don't stand a chance. It kills the entire nest with active ingredients Tetramethrin, Permethrin and PBO. This aerosol spray emits no harsh fumes and is nonconductive up to 47,300 volts. Wasp/hornet killer is designed for outdoor use only.