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$25.98
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First Alert 10-Year Battery Smoke Alarm Slim Profile | SM210
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First Alert 10-Year Battery Smoke Alarm Slim Profile | SM210
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BRK First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm With Battery Backup, White, 1-Pack
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First Alert Hardwire Smoke Alarm With Voice Alerts | SM100V-AC, AA Battery Backup, 6PK
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First Alert Hardwire Smoke Alarm, Dual Sensor | SM300-AC 6PK, AA Battery Backup
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First Alert Hardwire Smoke Alarm, Dual Sensor | SM300-AC 6PK, AA Battery Backup
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First Alert 9120B / SMI100-AC Smoke Detector, Hardwired Alarm With Battery Backup, 3-Pack
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First Alert BRK SMI100-AC Hardwired Smoke Alarm With Battery Backup, Contractor 6-Pack
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First Alert BRK SMI100-AC Hardwired Smoke Alarm With Battery Backup, Contractor 6-Pack
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First Alert BRK SC-9120B Yaobkn Hardwired Smoke And Carbon Monoxide Alarm With Battery Backup, 5 Units
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First Alert BRK SC-9120B Yaobkn Hardwired Smoke And Carbon Monoxide Alarm With Battery Backup, 5 Units
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First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm With Voice | SMCO100V-AC, AA Battery Backup
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First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm With Voice | SMCO100V-AC, AA Battery Backup
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First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm With Battery Backup, 12-Pack
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First Alert SMI100-AC, Hardwire Interconnect Smoke Alarm With Battery Backup, 12-Pack
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First Alert BRK SC-9120B Xrhsew Hardwired Smoke And Carbon Monoxide Alarm With Battery Backup, 4 Units
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First Alert BRK SC-9120B Xrhsew Hardwired Smoke And Carbon Monoxide Alarm With Battery Backup, 4 Units
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First Alert Battery Combination Smoke & Carbon Monoxide Alarm | SMCO100
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First Alert BRK SC7010BV Hardwired Talking Photoelectric Smoke And Carbon Monoxide (CO) Detector - White - 1 Each
Instacart
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First Alert BRK SC7010BV Hardwired Talking Photoelectric Smoke And Carbon Monoxide (CO) Detector - White - 1 Each
Instacart
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First Alert SC5 Wifi Hard-Wired W/Battery Back-Up Electrochemical/Photoelectric Smoke And Carbon Mon
Ace Hardware
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First Alert SC5 Wifi Hard-Wired W/Battery Back-Up Electrochemical/Photoelectric Smoke And Carbon Mon
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First Alert SMICO100 Battery Powered Ionization Smoke & CO Alarm, 4/Pack (KITFAT1046862)
Staples
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First Alert SMICO100 Battery Powered Ionization Smoke & CO Alarm, 4/Pack (KITFAT1046862)
Staples
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First Alert Smoke Detector 10 Year With Path Light Battery-Powered Photoelectric White 1046747
DkHardware.com
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First Alert Smoke Detector 10 Year With Path Light Battery-Powered Photoelectric White 1046747
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First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk
Ace Hardware
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First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk
Ace Hardware
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First Alert Smoke And Carbon Monoxide Detector W/Wi-Fi SC5 Wifi Hard-Wired W/Battery Back-Up Electrochemical/Photoelectric Smoke And C FSMCO600NVACCL1
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First Alert SMICO100-AC Hardwired Interconnection Ionization Smoke & CO Alarm With Battery Backup, 4/Pack (KITFAT1046869)
Staples
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First Alert SMICO100-AC Hardwired Interconnection Ionization Smoke & CO Alarm With Battery Backup, 4/Pack (KITFAT1046869)
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First Alert Slim Battery-Powered Photoelectric Smoke Detector 1 Pk
Bed Bath & Beyond
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First Alert Slim Battery-Powered Photoelectric Smoke Detector 1 Pk
Bed Bath & Beyond
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BRK First Alert SM200 Battery Powered, Low Profile, Smoke Alarm With Replaceable Battery And Silence Feature. Includes Photoelectric Smoke Sensing
BuyRite Electric
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BRK First Alert SM200 Battery Powered, Low Profile, Smoke Alarm With Replaceable Battery And Silence Feature. Includes Photoelectric Smoke Sensing
BuyRite Electric
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First Alert Voice And Location 10-Year Battery Photoelectric Smoke Detector 1 Pk
Ace Hardware
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First Alert Voice And Location 10-Year Battery Photoelectric Smoke Detector 1 Pk
Ace Hardware
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First Alert Battery Powered Smoke Alarm (FAT1046747)
Staples
240
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First Alert Battery Powered Smoke Alarm (FAT1046747)
Staples
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First Alert Low Profile Battery Operated Smoke Detector PR710B
DkHardware.com
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DkHardware.com
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First Alert™ Sealed Battery Photoelectric Slim Round Smoke Alarm
Kroger
81
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First Alert™ Sealed Battery Photoelectric Slim Round Smoke Alarm
Kroger
81
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First Alert Smi100-Ac Hardwire Interconnect Smoke Detector With Battery Backup, 6-Pack
Walmart
4
Free shipping
$109.97
First Alert Smi100-Ac Hardwire Interconnect Smoke Detector With Battery Backup, 6-Pack
Walmart
4
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First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk - AC
Bed Bath & Beyond
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First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk - AC
Bed Bath & Beyond
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How to install a First Alert Smoke Alarm | DIY
2:51
How to install a First Alert Smoke Alarm | DIY
110.5K viewsDec 5, 2020
YouTubeCreativeProcessDIY
Best Smoke Alarms? | First Alert Alarms Unboxing & Install
4:38
Best Smoke Alarms? | First Alert Alarms Unboxing & Install
33.9K viewsJan 26, 2022
YouTubeDad Reviews with @LaneVids
How To Install The First Alert Smoke Alarm, Battery Operated Detector with Test & Silence Button, SM
4:19
How To Install The First Alert Smoke Alarm, Battery Operated Detector with Test & Silence Button, SM
11K viewsAug 11, 2025
YouTubeRick's Reviews & How Tos
First Alert's Talking Smoke and Carbon Monoxide Alarm explanation and un-boxing video
5:16
First Alert's Talking Smoke and Carbon Monoxide Alarm explanation and un-boxing video
201.9K viewsNov 6, 2009
YouTubeFirst Alert Store
How to Install Hard Wired Smoke Detector - Easy Installation First Alert Smoke Detector Model 9120B
4:25
How to Install Hard Wired Smoke Detector - Easy Installation First Alert Smoke Detector Model 9120B
97.7K viewsJan 16, 2023
YouTubeTheRenderQ
FIRST ALERT Talking Smoke and Carbon Monoxide Alarm. Review And How to Program
7:29
FIRST ALERT Talking Smoke and Carbon Monoxide Alarm. Review And How to Program
45.1K viewsMay 3, 2024
YouTubeYour Review Channel
How To Install Wireless Smoke Alarm Using First Alert 2-In-1 Smoke And Carbon Monoxide Alarm
6:30
How To Install Wireless Smoke Alarm Using First Alert 2-In-1 Smoke And Carbon Monoxide Alarm
31.3K viewsMay 3, 2025
YouTubeDan Good Dad
11:37
Installing First Alert Hardwired Smoke/CO Alarms to Replace Older Smoke Alarms
12K views3 months ago
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First Alert Smoke Alarm - Product Review - Hidden Benefits Revealed
3 days ago
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$214.10
First Alert Hardwire Smoke Alarm, Dual Sensor | SM300-AC 6PK, AA Battery Backup
Amazon.com
Free shipping
$214.10
First Alert Hardwire Smoke Alarm, Dual Sensor | SM300-AC 6PK, AA Battery Backup
Amazon.com
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First Alert 9120B / SMI100-AC Smoke Detector, Hardwired Alarm With Battery Backup, 3-Pack
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First Alert 9120B / SMI100-AC Smoke Detector, Hardwired Alarm With Battery Backup, 3-Pack
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First Alert BRK SMI100-AC Hardwired Smoke Alarm With Battery Backup, Contractor 6-Pack
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First Alert BRK SC-9120B Yaobkn Hardwired Smoke And Carbon Monoxide Alarm With Battery Backup, 5 Units
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First Alert BRK SC7010BV Hardwired Talking Photoelectric Smoke And Carbon Monoxide (CO) Detector - White - 1 Each
Instacart
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First Alert SC5 Wifi Hard-Wired W/Battery Back-Up Electrochemical/Photoelectric Smoke And Carbon Mon
Ace Hardware
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First Alert SMICO100 Battery Powered Ionization Smoke & CO Alarm, 4/Pack (KITFAT1046862)
Staples
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First Alert SMICO100 Battery Powered Ionization Smoke & CO Alarm, 4/Pack (KITFAT1046862)
Staples
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First Alert Smoke Detector 10 Year With Path Light Battery-Powered Photoelectric White 1046747
DkHardware.com
240
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First Alert Voice Alert Hard-Wired Photoelectric Smoke Detector 1 Pk
Ace Hardware
43
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Ace Hardware
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First Alert Smoke And Carbon Monoxide Detector W/Wi-Fi SC5 Wifi Hard-Wired W/Battery Back-Up Electrochemical/Photoelectric Smoke And C FSMCO600NVACCL1
DkHardware.com
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DkHardware.com
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First Alert SMICO100-AC Hardwired Interconnection Ionization Smoke & CO Alarm With Battery Backup, 4/Pack (KITFAT1046869)
Staples
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First Alert SMICO100-AC Hardwired Interconnection Ionization Smoke & CO Alarm With Battery Backup, 4/Pack (KITFAT1046869)
Staples
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First Alert Slim Battery-Powered Photoelectric Smoke Detector 1 Pk
Bed Bath & Beyond
$42.49
First Alert Slim Battery-Powered Photoelectric Smoke Detector 1 Pk
Bed Bath & Beyond

Shop first alert smoke alarm

Sponsored
About our ads
$25.98
$34.99
First Alert 10-Year Battery Smoke Alarm Slim Profile | SM210
Amazon.com
25% off
$25.98
$34.99
First Alert 10-Year Battery Smoke Alarm Slim Profile | SM210
Amazon.com
$264.99
First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm | SMICO100-AC, 9V Battery Backup
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First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm | SMICO100-AC, 9V Battery Backup
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BRK First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm With Battery Backup, White, 1-Pack
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BRK First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm With Battery Backup, White, 1-Pack
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First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm With Voice | SMCO100V-AC, AA Battery Backup
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First Alert Hardwire Smoke Alarm With 10-Year Battery Backup
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First Alert Hardwire Smoke Alarm With Voice Alerts | SM100V-AC, AA Battery Backup, 6PK
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First Alert Hardwire Smoke Alarm, Dual Sensor | SM300-AC 6PK, AA Battery Backup
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First Alert 9120B / SMI100-AC Smoke Detector, Hardwired Alarm With Battery Backup, 3-Pack
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First Alert Hardwire Combination Smoke & Carbon Monoxide Alaram | SMICO105-AC, 10 Year Battery Backup
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$104.14
First Alert BRK SMI100-AC Hardwired Smoke Alarm With Battery Backup, Contractor 6-Pack
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First Alert BRK SMI100-AC Hardwired Smoke Alarm With Battery Backup, Contractor 6-Pack
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$267.30
First Alert BRK SC-9120B Yaobkn Hardwired Smoke And Carbon Monoxide Alarm With Battery Backup, 5 Units
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First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm With Voice | SMCO100V-AC, AA Battery Backup
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