Front facing Image of the Mariner 340 Fire Extinguisher
Mariner

Mariner 340 Fire Extinguisher

MAR340

Kidde’s Mariner 340 Fire Extinguisher is designed to combat marine fires from wood, paper, textiles, flammable liquids and electrical equipment

  • 3X MORE FIREFIGHTING POWER1: Provides more firefighting power and coverage for larger areas

  • 12X MORE CORROSION RESISTANCE2: Made with durable aluminum and stainless steel to withstand long-term salt and water exposure in marine and outdoor environments

  • STAINLESS STEEL & ALUMINUM CONSTRUCTION3: Designed with premium materials to help stay in service longer and optimize product life

  • UL RATED: 3-A:40-B:C

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Key Benefits

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    3X MORE FIREFIGHTING POWER

    Higher capacity extinguisher helps fight larger fires.

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    12X MORE CORROSION RESISTANCE

    Made to withstand long-term salt and water exposure.

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    QUICK REGISTRATION

    QR code offers easy access to registration and warranty.

Product Features

WE'RE #1

As North America's #1 home fire safety brand,* Kidde provides you with the confidence to protect what matters most.

U.S. Coast Guard Approved

USCG APPROVED WITH UL APPROVED STRAP BRACKET Meets 5-B compliance requirements for boats and watercrafts(strap bracket included)

Total Home Safety

Kidde’s comprehensive lineup includes smoke & CO alarms, fire extinguishers and more.

Helpful Resources

The simple way to use a fire extinguisher Fight fires in 4 easy steps with the PASS firefighting method.

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A group of Kidde Products sit on a kitchen counter.

Comprehensive Firefighting Solutions

Kidde offers a wide range of reliable residential and commercial fire extinguishers for your home, business, automobile, boat and more.

Kidde's comprehensive suite of products, including smoke and carbon monoxide alarms, and fire extinguishers. Number 1 home safety fire brand badge at the top.

Why Kidde

As North America's #1 home fire safety brand,* Kidde has been working to help make your home the safest it can be for more than 100 years. Now, our latest smoke alarms and combination smoke + carbon monoxide (CO) alarms are bringing you the next level of fire and CO safety. Help protect what matters most in your life with features like cutting edge technology that send fast alerts to give your family more time to get out safely. And enhanced sensing technology that reduces false alarms often caused by cooking.

*Based on total household installations as of December 2023.

1When compared to the Class A firefighting capability of a UL 1-A:10-B:C rated fire extinguisher.

2Compared to industry saltwater test standards.

3When compared to models made of other metals.

*Based on total household alarm installations as of December 2023.