---
product_id: 203089491
title: "Big Ol' Blowhard Loud Air Horn for Boat, Bear Deterrent & Marine Safety"
brand: "mainstream marine"
price: "R2830"
currency: ZAR
in_stock: true
category: "Mainstream Marine"
url: https://www.desertcart.co.za/products/203089491-big-ol-blowhard-loud-air-horn-for-boat-bear-deterrent
store_origin: ZA
region: South Africa
---

# Effective wildlife deterrent 120dB piercing blast USCG marine-grade certified Big Ol' Blowhard Loud Air Horn for Boat, Bear Deterrent & Marine Safety

**Brand:** mainstream marine
**Price:** R2830
**Availability:** ✅ In Stock

## Summary

> 📢 Make waves, scare bears, and own the moment with the loudest air horn around!

## Quick Answers

- **What is this?** Big Ol' Blowhard Loud Air Horn for Boat, Bear Deterrent & Marine Safety by mainstream marine
- **How much does it cost?** R2830 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.za](https://www.desertcart.co.za/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

- • **Piercing 120dB Blast:** Cut through fog, storms, and noise with unmatched volume that demands attention.
- • **USCG-Certified Safety:** Meets and exceeds all US Coast Guard requirements for reliable marine signaling.
- • **Wildlife Deterrent Power:** Confidently scare off bears and coyotes without risky close encounters on any trail.
- • **Versatile Crowd Energizer:** From tailgates to emergencies, ignite celebrations or call for help with one blast.
- • **Universal Fit & Lightweight:** Easy-to-use 16oz aluminum design fits all watercraft and won’t weigh you down.

## Overview

The Big Ol' Blowhard Loud Air Horn delivers a powerful 120dB blast in a compact 16oz marine-grade aluminum canister. Certified to meet US Coast Guard standards, it’s the ultimate safety tool for boaters, hikers, and outdoor enthusiasts alike. Its universal fit and lightweight design make it indispensable for signaling in low visibility, deterring wildlife, and energizing any event with a commanding sound.

## 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 | #58,084 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #25 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 (266) |
| 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 - 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.co.za/products/203089491-big-ol-blowhard-loud-air-horn-for-boat-bear-deterrent](https://www.desertcart.co.za/products/203089491-big-ol-blowhard-loud-air-horn-for-boat-bear-deterrent)

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*Product available on Desertcart South Africa*
*Store origin: ZA*
*Last updated: 2026-10-24*