Warning: This product contains a chemical known to the State of California to cause cancer., First Aid: In case of eye or skin contact flush affected area with water. Continue to flush for at least 15 minutes. If irritation persists, seek medical attention., Keep out of reach of children. Danger: Causes burns to eyes and skin on contact. Harmful if swallowed. Contents under pressure. Read back panel carefully. Read warnings, cautions, precautions and entire label before use. Follow directions on safety cap to remove it. Do not use knife or other tools to pry open cap. Doing so may puncture container. Precautions: Do not spray on pilot light, electrical connections switches, light bulbs, heating elements or thermostats. Do not spray onto aluminum or painted surfaces as damage to these surfaces may occur. Use only as directed. Intentional misuse by concentrating and inhaling the product can be harmful or fatal. Danger: Keep out of reach of children. Contains sodium hydroxide. Causes burns to eyes and skin on contact. Harmful if swallowed. Contents under pressure. Protect hands by wearing long rubber gloves. Wash hands after application and removal. Use with adequate ventilation. Do not puncture, incinerate or crush container. Do not expose to heat or store at temperatures above 120 degrees F (49 degrees C). Avoid prolonged exposure to sunlight. Keep upright in a cool, dry place. Do not discard empty can in trash compactor.