Emzone Ozone Large Marine Boat Safety Signal Air Horn Refill, 156-g

This compact air horn refill delivers a loud blast to keep you safe on the water. Ideal for boating and watersports up to 39 feet, it's perfect for signaling in foggy conditions or emergencies when wires and batteries won't work. Simply push the button to sound an ear-piercing blast without ozone-depleting chemicals. The compact design fits easily in your onboard emergency kit or pocket, giving you peace of mind when you're out on the lake or ocean.