I know this is for cars, but what about it sitting in the hot sun or freezing cold inside the car? Does it need special protection?

Fire extinguishers are designed to fight fires, which are hot. What good would it do for an extinguisher to blow up when the temperature reaches nonlethal levels? You can bet that it gets a lot hotter inside a burning house than it does inside your car or truck on a sunny day. Look for one that displays the Underwriters Laboratory label (UL rated). The laboratory requires that extinguishers can be safely stored at minus-40 to plus-120 degrees, a standard that is sometimes posted on the extinguisher. But the laboratory also requires that extinguishers survive 175 degrees for seven days, which is not normally disclosed in product information. A quality, UL-listed extinguisher has a steel cylinder that is designed to withstand six times its normal pressure without bursting.

How does the mounting system work? What do you mount it to in your car? Do you have to drill holes or modify the car in some way?

To mount securely you would have to drill holes. This one is actually fairly small so you might be able to secure with those double sided tape pieces with the tabs on that can be removed damage free.

Does it have a pressure gauge?

Model AUTO5 does not have a pressure gauge. It has a pressure indicating stem (green in color) on the top of the head. If the stem is down (hidden) that indicates the pressure is low, possibly inoperable. If you look at pics 1 and 3, they show both sides of the head...ring-pin on one side, nothing on the other. More from First Alert: https://www.firstalert.com/product/auto-fire-extinguisher-ul-rated-5-bc-red/

how many pounds of chemicals inside?

The label states “2.43 lbs. + 2 oz.” of a bicarbonate. I don’t know why They express it in that fashion. Overall unit when filled is is 4 lbs.

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First Alert Fire Extinguisher | Personal Watercraft Fire Extinguisher, FE5R-PWCNA

First Alert Fire Extinguisher | Personal Watercraft Fire Extinguisher, FE5R-PWCNA

Product ID: 103182685

Details

Brand
First Alert
Color
White
Global Trade Identification Number
Item Weight
16 ounces
Manufacturer
BRK Brands
Number of Items
1

⚓USCG Size I Certified

🔥UL Rated 5-B:C for flammable & electrical fires

🧪Sodium bicarbonate dry chemical agent

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Rp1414121

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Description

🔥 Stay Ready, Stay Protected – Your Marine Fire Guardian ⚓

INSTANT READINESS CHECK - One-button pressure test confirms extinguisher is fully charged and ready at a glance.
HASSLE FREE INSTALLATION - Includes durable mounting bracket for quick, secure placement and easy access during emergencies.
POWERFUL FIRE SUPPRESSION - UL classified 5-B:C rating ensures rapid response to flammable liquid and electrical fires.
COMPACT LIGHTWEIGHT DESIGN - At just 1.4 lbs and 12.75 inches tall, fits seamlessly in personal watercraft compartments.
MARINE GRADE SAFETY ASSURANCE - Meets stringent U.S. Coast Guard Size I standards for reliable on-water protection.

The First Alert FE5R-PWCNA is a compact, lightweight marine fire extinguisher certified by the U.S. Coast Guard and UL rated 5-B:C, using a sodium bicarbonate dry chemical agent to effectively combat flammable liquid and electrical fires. Designed for personal watercraft, it features an easy one-button pressure test and comes with a mounting bracket for quick access, backed by a 10-year limited warranty.

Specifications

ASIN	B07KK6NJNN
Best Sellers Rank	#7,100 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #15 in Fire Extinguishers
Brand	First Alert
Built-In Media	Fire Extinguisher
Color	White
Customer Reviews	4.8 out of 5 stars 1,872 Reviews
Global Trade Identification Number	00029054003744
Item Type Name	Fire Extinguisher
Item Weight	16 ounces
Manufacturer	BRK Brands
Manufacturer Warranty Description	10-YEAR LIMITED WARRANTY
Mfr Part Number	FE5R
Model Number	FE5R-PWCNA
Number of Items	1
Power Source	Battery Powered
Product Style	FE5R
Style	FE5R
UPC	029054003744
Unit Count	1.0 Count

Reviews

T**A

Perfect fit replacement

Perfect fit replacement for a very much expires extinguisher in my coleman trailer.

30.01.2026

L**T

Hope not to need it

Small fire extinguisher that fits in my little boat. Plastic head and nozzle assembly, but seems okay. Hope not to put it to the test. Mounting strap is plastic, but seems reasonably sturdy.

18.04.2024

P**S

Perfect

27.04.2026

L**R

Seems legit

I haven't had to use it, but seems to be of quality and comes with a mount.

19.03.2025

A**S

Reliable Safety for Personal Watercraft

Bought this extinguisher for my Sea-Doo, and it fits perfectly in the designated holder. It’s compact, lightweight, and easy to access. Meets marine safety requirements and gives confidence while riding. A smart and necessary addition to any personal watercraft setup.

6.05.2025

M**B

Fits perfectly under Sea-Doo Switch Captain's Chair

My Sea-Doo Switch came from the factory with a large decal on the base of the captain's chair announcing that a fire extinguisher is located under the seat. When checking under the seat, there is a mount but no fire extinguisher. The mount is molded into the base and restricts what size will fit properly, not just in diameter and overall height, but also handle style. When searching different sizes and styles for one that would work, this one turned out to be a perfect fit. Like the mount was made for it. Side note: This is in a 2024 Switch Cruise Limited. None of them come with a fire extinguisher yet have the misleading sticker saying that one is there.

8.07.2024

S**S

Five stars!

The First Alert FE5R-PWCNA is a must-have for watercraft safety! Compact yet powerful, it’s easy to mount and provides reliable fire protection. The durable construction withstands marine conditions, and the quick-release bracket ensures fast access in emergencies. Highly recommended for boaters—peace of mind in a small package. Five stars!

5.05.2025

T**E

Perfect size for PWC / Waverrunner / Jet Ski extinguisher holder !

First Alert is a well known name in fire extinguishers. These small ones are rated for a 10 year service life. Please check yours often and replace as needed. You hope to never need one, but you want it to be fully charged and ready if the time comes to use it. This fit the yellow extinguisher compartment / holder on my Yamaha Waverunner. I also have the exact one on my Kawasaki Jet Ski. Perfect fit and just loose enough to slide out of the PWC holder quickly if needed.

19.08.2024

6**B

Nice factory replacement

Just what I was looking for. Perfect fit 1997 GTX sea do.

7.02.2021

D**.

Came quickly, with mounting hardware, as advertised.

1.04.2026

M**H

Review

Good

30.12.2025

R**.

Boat fire extinguisher

Delivery was fast and it was easy to install in my boat.

30.07.2025

S**N

Perfect fit

Great to have in your sea doo. Fits perfectly

20.08.2025

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Rp1414121

Duties & taxes included

In stock

Sold byAmazon IndonesiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Indonesia.

Secure transaction

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