---
product_id: 203089491
title: "Big Ol' Blowhard Loud Air Horn for Boat, Bear Deterrent & Marine Safety | 16oz, Meets/Exceeds USCG Requirements, Easy-to-Use Design, Marine Safety Kit, Scares Coyotes, Fog Signaling"
brand: "mainstream marine"
price: "€ 120.67"
currency: EUR
in_stock: true
category: "Mainstream Marine"
url: https://www.desertcart.hr/products/203089491-big-ol-blowhard-loud-air-horn-for-boat-bear-deterrent
store_origin: HR
region: Croatia
---

# 120 dB sound blast Rustproof aluminum canister USCG-compliant marine grade Big Ol' Blowhard Loud Air Horn for Boat, Bear Deterrent & Marine Safety | 16oz, Meets/Exceeds USCG Requirements, Easy-to-Use Design, Marine Safety Kit, Scares Coyotes, Fog Signaling

**Brand:** mainstream marine
**Price:** € 120.67
**Availability:** ✅ In Stock

## Summary

> 📣 Blow Your Safety Game Up—Be Heard, Be Seen, Be Unstoppable!

## Quick Answers

- **What is this?** Big Ol' Blowhard Loud Air Horn for Boat, Bear Deterrent & Marine Safety | 16oz, Meets/Exceeds USCG Requirements, Easy-to-Use Design, Marine Safety Kit, Scares Coyotes, Fog Signaling by mainstream marine
- **How much does it cost?** € 120.67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/203089491-big-ol-blowhard-loud-air-horn-for-boat-bear-deterrent)

## Best For

- mainstream marine enthusiasts

## Why This Product

- Trusted mainstream marine brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Portable Powerhouse:** Lightweight 16oz design fits seamlessly into your safety kit without weighing you down.
- • **Proudly American-Made:** Engineered and manufactured in the USA with cutting-edge tech for reliable, long-lasting performance.
- • **Hear It From A Mile Away:** Unmatched 120-decibel blast cuts through fog and chaos, ensuring your signal is impossible to ignore.
- • **Certified Safety You Can Trust:** Meets and exceeds US Coast Guard standards—your ultimate emergency companion on water and land.
- • **Built for the Roughest Conditions:** Durable, rustproof aluminum housing and ozone-safe, non-flammable gas keep you ready in any terrain.

## Overview

The 16oz Mainstream Marine Big Ol’ Blowhard Air Horn delivers a powerful 120-decibel signal audible up to one mile, meeting all US Coast Guard safety requirements. Housed in a rustproof aluminum canister with ozone-safe, non-flammable gas, this portable marine-grade horn is engineered for rugged environments and crafted in the USA to ensure reliability and durability for emergency and boating safety.

## Description

Buy Big Ol' Blowhard Loud Air Horn for Boat, Bear Deterrent & Marine Safety | 16oz, Meets/Exceeds USCG Requirements, Easy-to-Use Design, Marine Safety Kit, Scares Coyotes, Fog Signaling: Horns - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Boating Safety Made Simple: This marine horn sends a piercing blast so nearby vessels notice you in fog, storms, or low visibility; a boat horn every boater should keep aboard
- Wildlife Encounters Handled: Wondering how to scare bears or coyotes without close contact; hikers and campers rely on this loud horn for a confident way to signal danger on the trail
- Meets/Exceeds USCG Requirements: When you purchase this marine-grade horn in a can, rest assured knowing that it meets all US Coast Guard requirements for sound signaling devices.
- Fun Meets Function: Bring this horn to sporting events, tailgates, and outdoor parties; the same dependable blast that calls for help also gets a crowd cheering and celebrating together
- Loudest Air Horn: This air horn for bears, other wildlife, sport events, and emergencies is the premier answer to anywhere loud noise is needed. With dB levels up to 120dB, this loud airhorn for boat safety is perfect to scare bears or alert boaters

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07VRF6HP5 |
| Automotive Fit Type | Universal Fit |
| Best Sellers Rank | #69,867 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #28 in Boat Safety Horns |
| Brand Name | Mainstream Marine |
| Color | Orange and Red |
| Compatible with Vehicle Type | Watercraft |
| Customer Reviews | 4.2 4.2 out of 5 stars (265) |
| Fit Type | Universal Fit |
| Item Highlight | 16oz, Meets/Exceeds USCG Requirements, Easy-to-Use Design, Marine Safety Kit, Scares Coyotes, Fog Signaling |
| Item Weight | 1.2 pounds |
| Manufacturer | Mainstream Marine |
| Manufacturer Part Number | MM9110 |
| Material Type | Aluminum |
| Noise Level | 120 db |
| Number of Items | 1 |
| Number of Packs | 1 |
| OEM Equivalent Part Number | MM9110 |
| Style Name | Safety |
| UPC | 711582391102 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Mainstream Marine
- **Color:** Orange and Red
- **Fit Type:** Universal Fit
- **Material:** Aluminum
- **Style:** Safety

## Images

![Big Ol' Blowhard Loud Air Horn for Boat, Bear Deterrent & Marine Safety | 16oz, Meets/Exceeds USCG Requirements, Easy-to-Use Design, Marine Safety Kit, Scares Coyotes, Fog Signaling - Image 1](https://m.media-amazon.com/images/I/61b8JJ77dyL.jpg)

## Questions & Answers

**Q: i need something loud for my boat? is this really oud?**
A: Crazy loud

**Q: Once the cannister is empty can horn be altered to connect to a air compressor hose and achieve the same results?  Ingenuity is not a problem here.**
A: Air horn screws onto compressed air canister, so I don’t see how you couldn’t make your application work with a few adapters.

**Q: A previous review mentioned it didnt come with a horn. Does this not come with the horn?**
A: Mine came with a horn. It is unbelievably loud.

**Q: How many 1 second blasts can I get out of this can?**
A: I’m not sure I didn’t pay that close attention. But the is a great product. And it is really loud.  I have had other brand but this is by far the best one  But it last longer that the other products. I’m really not sure if this helps.

## Frequently Bought Together

- Mainstream Marine Big Ol’ Blowhard Marine-Grade Air Horn, Portable Loud Air Horns for Safety, Emergency Boat Blow Horn Can 16oz, High-Capacity, Can Be Heard 1 Mile Away, Boating Accessories
- Shoreline Marine Eco Air Horn
- First Alert Fire Extinguisher | Marine Fire Extinguisher, White, FE1A10GR, 1-Pack, 14"

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**Shop now:** [https://www.desertcart.hr/products/203089491-big-ol-blowhard-loud-air-horn-for-boat-bear-deterrent](https://www.desertcart.hr/products/203089491-big-ol-blowhard-loud-air-horn-for-boat-bear-deterrent)

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*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-09-06*