JLP Air Horn Non-Flammable Kit 8-Ounce each Super Blast Air Horn Non-Flammable version, shoots a powerful blast of noise. Meets U.S. Coast Guard requirements for boats up to 65 feet/ 20m. Perfect for auto, boat, sporting events and more. Recommended for: coaches, boaters, officials, motorists, lifeguards, hikers, bikers, sports fans, and more! JLP Air Horn Non-Flammable Kit 8-Ounce each Super Blast Air Horn Non-Flammable version, shoots a powerful blast of noise. Meets U.S. Coast Guard requirements for boats up to 65 feet/ 20m. Perfect for auto, boat, sporting events and more. Recommended for: coaches, boaters, officials, motorists, lifeguards, hikers, bikers, sports fans, and more!