Directions for Use:

Big ‘ol Blowhard™ is a marine-grade, high capacity (1 full lb of blasting power), portable aerosol air horn. This intensely audible marine signaling device is ideal for sounding ship/boat movement intentions in fog, emergency alerts and location during rescue operations.
Hundreds of uses from marine and sporting events to safety & security!

• Meets USCG Requirements for Audible Signaling Devices!
• Safe Largest, Loudest & Most Effective Air Horn Available!
• Extremely loud at over 120 db… can be heard up to 1 mile away!
• Jumbo Canister holds 16 oz of Non-Flammable, Ozone-Safe Propellant
• Aluminum, Self-Sealing, Non-Rusting Aerosol Canister…
• Rugged Impact Resistant horn