The horn is 120db and is very loud. Hope that helps and thank you so much for your interest in Better Boat.

船舶用安全エアホーン、非常に大きな手持ちフォグホーン、大型圧縮缶3.5オンス。ボートやウォーキングの安全に。

船舶用安全エアホーン、非常に大きな手持ちフォグホーン、大型圧縮缶3.5オンス。ボートやウォーキングの安全に。

Q: How many blast from one canister?

Maybe one -- this thing is worthless! did not work for me - a couple of blasts but inconsistent and then did not work at all. Do not buy

Q: What is the purpose of the screwable cap on the opposite side of the horn for?

This is used during production to assemble the portion that makes the noise within the horn. You don't need to open it or adjust anything with it. Hope that helps and thanks so much for your interest in our Air Horn. It means a lot to us here at Better Boat.

Q: Is there an expiration date? How long does the air last before you have to buy another one?

Not a date on the container. This thing was basically worthless. Blasts intermittently, most of the time does not work. Save your money do not buy this thing. I give it a zero rating.

4.4/5

Product ID: 726939029

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Details

Brand
Better Boat
Color
3.5オンスホーン付き
Style
エアホーン大音量
Noise Level
115 dB
Manufacturer
Better Boat

📢1.5-mile blast range

🛥️USCG compliant for marine safety

🇺🇸Made & tested in USA

Frequently Bought Together

Marine Safety Air Horn, Very Loud Handheld Fog Horn, Large Compressed Can 3.5oz for Boating and Walking Safety

Kidde Mariner PWC Marine Fire Extinguisher for Boats, 5-B:C, 3.3 Lbs., Coast Guard Approved, Mounting Bracket (Included), White

Seachoice Emergency Marine Foam Flotation Cushion, Square, 15 in. X 15 in, Safety Yellow

Description

📢 Stay loud, stay safe—your ultimate emergency signal!

COMPACT YET MIGHTY - Portable 3.5 oz size fits easily in boats, backpacks, or jogging belts without weighing you down.
UNMATCHED SOUND POWER - Blast alerts up to 1.5 miles away—never go unnoticed in an emergency.
AMERICAN CRAFTSMANSHIP - Proudly made and rigorously tested in the USA for premium quality and durability.
CERTIFIED MARINE SAFETY - Meets US Coast Guard standards for reliable, trusted protection on water.
VERSATILE OUTDOOR ESSENTIAL - Perfect for boating, hiking, cycling, camping, and any adventure where safety matters.

This premium handheld marine airhorn delivers a powerful 1.5-mile audible blast in a compact 3.5-ounce canister. US Coast Guard compliant and made in the USA, it ensures reliable safety alerts for boating, hiking, and outdoor activities. Lightweight and portable, it’s engineered for professionals who demand trusted, high-performance emergency signaling.

Specifications

Manufacturer	Better Boat
Brand	Better Boat
Package Dimensions	22.61 x 11.94 x 5.33 cm; 227 g
Item model number	BB-AIR-35OZ
Is Discontinued By Manufacturer	No
Color	3.5オンスホーン付き
Item Weight	227 g

Have a Question? See What Others Asked

How many blast from one canister?

How many decibels?

What is the purpose of the screwable cap on the opposite side of the horn for?

Is there an expiration date? How long does the air last before you have to buy another one?

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