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First Alert

First Alert began in 1958 when three friends set out to create a commercial smoke alarm. In the six decades since, they have continued to create innovative products, from the first residential smoke alarm to the first battery operated carbon monoxide alarm. By leading the home safety category through reliability, quality, and innovation, First Alert follows in the footsteps of their founders and make the world a safer place - one home, one family, one life at a time.

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Hardwire Heat Alarm with 9V Backup Battery. 120-volt AC/DC White
Hardwired Smoke and Carbon Monoxide Alarm 120V White
MFR #: SC9120B
SKU #: 25001734
Discontinued Product
This item has limited quantity, Please contact our national customer service team at 1-855-347-2839 for additional assistance.
Interconnectable Ion Smoke Alarm w/ Battery Backup 9V Carbon Zinc BatteryRound 120V
OneLink Smoke Alarm-Bridge Unit 120 Volt AC/DC
MFR #: SA520B
SKU #: 25190483
Smoke Alarm Hardwired Ionization Battery Backup White
MFR #: 9120B
SKU #: 22128963
Discontinued Product
This item has limited quantity, Please contact our national customer service team at 1-855-347-2839 for additional assistance.
Phase Failure Relay 120 V
Phase Failure Relay 120 V
MFR #: RM4
SKU #: 25043989
Hardwire Carbon Monoxide Alarm with Battery Backup
MFR #: CO5120BN
SKU #: 25127696
Wireless Interconnect Alarm White
MFR #: CO511B
SKU #: 25190485
Discontinued Product
This item has limited quantity, Please contact our national customer service team at 1-855-347-2839 for additional assistance.
BRK Carbon Monoxide Alarm With Silence Button 9V
MFR #: CO250B
SKU #: 25268250
Hardwired Photoelectric and Ionization Smoke Alarm with Battery Backup 120V white
Hardwired Ionization Smoke Alarm White
MFR #: 9120LBL
SKU #: 25802934
Discontinued Product
This item has limited quantity, Please contact our national customer service team at 1-855-347-2839 for additional assistance.
Smoke and Carbon Monoxide Alarm lithium Battery
MFR #: SCO2LB
SKU #: 25307356
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