Skip to content

First Alert BRK 9120B 120V Smoke Alarm, 9V Battery Backup

Marsoni M251S
Sale price$13.99
Pay 4 payments of $3.50 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
First Alert BRK 9120B 120V Smoke Alarm, 9V Battery BackupDesigned to help promote household safety, the First Alert Hardwired Smoke Alarm with Battery Backup can provide early warning of fire. This hardwired smoke detector uses an ionization smoke sensor to reliably detect smoke from hot, fast flaming fires. Features Ionization Sensor Reliably Detects Flaming Fires: The First Alert Hardwired Smoke Alarm with Battery Backup comes equipped with an ionization sensor to provide the earliest possible warning of
Easy Shipping

Quick Dispatch:

Your First Alert BRK 9120B 120V Smoke Alarm, 9V Battery Backup orders ship within 1-2 business days.

Delivery Options:

  • Standard: 3-7 business days
  • Fast: 2-3 business days
  • Express: 1-2 business days

Order Tracking:

You'll receive a tracking link by email once your First Alert BRK 9120B 120V Smoke Alarm, 9V Battery Backup ships.

Need Help?
Questions about First Alert BRK 9120B 120V Smoke Alarm, 9V Battery Backup, sizing, or delivery? We're just an email away.

Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for First Alert BRK 9120B 120V Smoke Alarm, 9V Battery Backup in your area.

Get Shipping Estimates

Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 696 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
P
Verified Purchase
Paul B.
Louisville, US
★★★★★ 5
A little longer than the filter the mechanic used last time, and that is a good thing.
At first I was concerned that this filter is about 3/16" longer than whatever one was there before, but it went in perfectly, and I realized I was getting extra filtering ability over the old one. Pleased. Volvo S60 2001.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 7, 2024
D
Verified Purchase
D. Anderson
Pawtucket, US
★★★★★ 4
Almost a Five Star
I have used this brand exclusively on my BMW (110K) and Volvo (90K), with synthetic oil changes at 6000 miles religiously, and neither burns a single drop of oil. I have never seen any "failure" of the filter, which remains firm until the end. Unfortunately the price advantage has been eroding over the years- boo. So lost a star for that-
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 23, 2015
D
Verified Purchase
Daniel
Boise, US
★★★★★ 5
Only oil filter you should buy if you have a Volvo
Only filter you should be buying if you own Volvo
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 18, 2025
E
Verified Purchase
Erik B.
Natrona Heights, US
★★★★★ 5
As advertised
It’s an oil filter - what else can I say but it was as advertised
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2025
J
Verified Purchase
j lopez
Belleville, US
★★★★★ 5
Car part
Exact fit
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 19, 2026

recommand products