SC Johnson A Family Company. Defense System. Attack Bugs (Use outdoors to kill wasps and hornets and their entire nest on contact). Kills the entire nest. Kills wasps & hornets on contact. Electrically non-conducting up to 32,500 volts. Sprays up to 22 feet! A family company since 1886. -Fisk Johnson. Defense System: Helps you work smarter, not harder, to fight bugs. Kills hornets. Wasps. Yellow jackets. Electrically non-conducting up to 32,500 volts. Federal regulations prohibit CFC propellants in aerosols. Contains no CFC's or other ozone depleting substances. Environmental Hazards: This product is extremely toxic to fish and aquatic invertebrates. Do not apply directly to or near water. Drift and run-off may be hazardous to fish in water adjacent to treated areas. See directions for use for additional precautions and requirements. No CFCs: Contains or other ozone depleting substances.