The T-H Marine Boat Air Horn is a compact and powerful safety essential for any vessel under 65 feet. This USCG-approved horn delivers a loud, unmistakable blast with a quick push-button design, ensuring you're heard when it matters most. Compact and powerful for boats up to 65 ft Quick push-button activation 3.5oz canister for multiple blasts U.S.C.G. approved for marine safety Made in the U.S.A. Ideal for emergency or event signaling Weather-resistant construction Fits easily in storage compartments