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$269.97
Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
Amazon.com
816
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Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
shopp
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
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Kidde i12060 (21006376) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up - Contractor Packaging (Upgraded To SMACFEX-20-9003)
Electric Bargain Store
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Kidde i12060 (21006376) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up - Contractor Packaging (Upgraded To SMACFEX-20-9003)
Electric Bargain Store
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Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Interconnectable LED Warning Light Indicators, 30CUA10
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Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Interconnectable LED Warning Light Indicators, 30CUA10
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FIRST ALERT BRK SC9120B-3 Hardwired Smoke And Carbon Monoxide (CO) Detector With Battery Backup, White, Pack Of 3
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First Alert SC-9120B Hardwired Smoke And Carbon Monoxide Alarm With Battery Backup 2 Pack
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First Alert SC-9120B Hardwired Smoke And Carbon Monoxide Alarm With Battery Backup 2 Pack
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
aquabele
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
aquabele
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Kidde I12040a (21006378) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up (Upgraded To SMACFEX-20-9003)
Electric Bargain Store
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$29.88
Kidde I12040a (21006378) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up (Upgraded To SMACFEX-20-9003)
Electric Bargain Store
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$314.99
First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm With Battery Backup, 6-Pack
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
ilenaavetikyan
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
ilenaavetikyan
$188.47
Nest Protect - Smoke Alarm And Carbon Monoxide Detector - Wired
Home Depot
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Nest Protect - Smoke Alarm And Carbon Monoxide Detector - Wired
Home Depot
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Kidde 1275A 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Alkaline Battery Backup (Upgraded To SMACFEX-20-9003)
Electric Bargain Store
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Kidde 1275A 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Alkaline Battery Backup (Upgraded To SMACFEX-20-9003)
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First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
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First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
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Kidde i12080 (21006379) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up (Upgraded To SMACFEX + 20-9003)
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Kidde i12080 (21006379) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up (Upgraded To SMACFEX + 20-9003)
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Kidde AC Hardwired Interconnect Smoke Alarm With Hush i12040 (4-Units)
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Smart Hardwired Smoke And Carbon Monoxide Detector With Voice Alarm 21031042
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Smart Hardwired Smoke And Carbon Monoxide Detector With Voice Alarm 21031042
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Gentex Temporal Hardwired Photoelectric Smoke Alarm W/ Relay Contacts S1209F
DkHardware.com
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Gentex Temporal Hardwired Photoelectric Smoke Alarm W/ Relay Contacts S1209F
DkHardware.com
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Kidde I4618ac Firex Hardwire Ionization Smoke Detector With Battery Backup 21007581
Tsuenwanflowershop US
$70.20
Kidde I4618ac Firex Hardwire Ionization Smoke Detector With Battery Backup 21007581
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Firex Hardwired Photoelectric Tamper-Resistant Smoke Alarm PE120
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Firex Hardwired Photoelectric Tamper-Resistant Smoke Alarm PE120
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
schnauzercouture
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
schnauzercouture
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Sunco First Alert BRK SMICO100-AC Interconnect Hardwire Smoke And Carbon Monoxide Alarm
Sunco
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Sunco First Alert BRK SMICO100-AC Interconnect Hardwire Smoke And Carbon Monoxide Alarm
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Kidde I4618ac Firex Hardwired Smoke Alarm With Battery Backup (Upgraded To SMACFEX-20-9003)
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Code One Hardwired Interconnectable Smoke And Carbon Monoxide Detector, AA Battery Backup 21032251
Home Depot
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Code One Hardwired Interconnectable Smoke And Carbon Monoxide Detector, AA Battery Backup 21032251
Home Depot
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First Alert Brk Hardwired Smoke Alarm W/ Battery Backup 9120B
DkHardware.com
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First Alert Brk Hardwired Smoke Alarm W/ Battery Backup 9120B
DkHardware.com
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Firex i5000 (21007582) 120V AC Direct Wire Smoke Alarm With Alkaline Battery Back-Up And False Alarm Control (Upgraded To SMACFEX-20-9003)
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First Alert BRK SM100V-AC Hardwire Smoke Alarm With Battery Backup 1 Pack - 5050084
Acme Tools
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First Alert BRK SM100V-AC Hardwire Smoke Alarm With Battery Backup 1 Pack - 5050084
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First Alert BRK SMICO100-AC Hardwire 2-In-1 Smoke & CO Alarm With Battery Backup - 5050063
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First Alert SM100V-AC Hardwire Smoke Alarm With Voice Alerts 1 Pack - 5050149
Acme Tools
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First Alert SM100V-AC Hardwire Smoke Alarm With Voice Alerts 1 Pack - 5050149
Acme Tools
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10-Year Worry-Free Hardwired Smoke, Carbon Monoxide Detector, Voice Alarm 21029893
Home Depot
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Home Depot
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Kidde 120V Hardwired Smoke Alarm With AA Backup Battery - 21031482
Acme Tools
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Kidde 120V Hardwired Smoke Alarm With AA Backup Battery - 21031482
Acme Tools
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Kidde 21028502 AC/DC Wire-In Smoke Alarm Detector With Trusense Technology | Fro
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Best Hardwired Smoke Detectors of 2025 - Top 10
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Shop Wired Smoke Detectors

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$188.47
Nest Protect - Smoke Alarm And Carbon Monoxide Detector - Wired
Home Depot
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Nest Protect - Smoke Alarm And Carbon Monoxide Detector - Wired
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Kidde KN-COSM-IBA Hardwire Combination Smoke/Carbon Monoxide Alarm With Battery
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Kidde 1275A 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Alkaline Battery Backup (Upgraded To SMACFEX-20-9003)
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Kidde 1275A 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Alkaline Battery Backup (Upgraded To SMACFEX-20-9003)
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First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
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First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
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Kidde i12080 (21006379) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up (Upgraded To SMACFEX + 20-9003)
Electric Bargain Store
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Kidde i12080 (21006379) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up (Upgraded To SMACFEX + 20-9003)
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Kidde AC Hardwired Interconnect Smoke Alarm With Hush i12040 (4-Units)
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Smart Hardwired Smoke And Carbon Monoxide Detector With Voice Alarm 21031042
Home Depot
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Smart Hardwired Smoke And Carbon Monoxide Detector With Voice Alarm 21031042
Home Depot
$121.70
Gentex Temporal Hardwired Photoelectric Smoke Alarm W/ Relay Contacts S1209F
DkHardware.com
1
$121.70
Gentex Temporal Hardwired Photoelectric Smoke Alarm W/ Relay Contacts S1209F
DkHardware.com
$70.20
Kidde I4618ac Firex Hardwire Ionization Smoke Detector With Battery Backup 21007581
Tsuenwanflowershop US
$70.20
Kidde I4618ac Firex Hardwire Ionization Smoke Detector With Battery Backup 21007581
Tsuenwanflowershop US
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Kidde i12060 Hardwire With Front Load Battery Backup Smoke Alarm
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Kidde i12060 Hardwire With Front Load Battery Backup Smoke Alarm
bosaasforge
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Firex Hardwired Photoelectric Tamper-Resistant Smoke Alarm PE120
DkHardware.com
$62.31
Firex Hardwired Photoelectric Tamper-Resistant Smoke Alarm PE120
DkHardware.com
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Kidde I4618ac Firex Hardwired Smoke Alarm With Battery Backup (Upgraded To SMACFEX-20-9003)
Electric Bargain Store
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Kidde I4618ac Firex Hardwired Smoke Alarm With Battery Backup (Upgraded To SMACFEX-20-9003)
Electric Bargain Store
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
schnauzercouture
$78.84
Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
schnauzercouture
$30.99
$49.58
X-Sense Hardwired Combination Smoke And Carbon Monoxide Detector, Hardwired Interconnected Smoke And CO Detector Alarm With Replaceable Battery Backup, XP04
almoayyeduaeus
Free shipping
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X-Sense Hardwired Combination Smoke And Carbon Monoxide Detector, Hardwired Interconnected Smoke And CO Detector Alarm With Replaceable Battery Backup, XP04
almoayyeduaeus
$39.88
Firex i5000 (21007582) 120V AC Direct Wire Smoke Alarm With Alkaline Battery Back-Up And False Alarm Control (Upgraded To SMACFEX-20-9003)
Electric Bargain Store
$39.88
Firex i5000 (21007582) 120V AC Direct Wire Smoke Alarm With Alkaline Battery Back-Up And False Alarm Control (Upgraded To SMACFEX-20-9003)
Electric Bargain Store
$69.49
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Kidde Smoke Detector, Hardwired Smoke Alarm With Battery Backup, Test-Silence Button
Moviluz Shop One
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Kidde Smoke Detector, Hardwired Smoke Alarm With Battery Backup, Test-Silence Button
Moviluz Shop One
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Sunco First Alert BRK SMICO100-AC Interconnect Hardwire Smoke And Carbon Monoxide Alarm
Sunco
$57.99
Sunco First Alert BRK SMICO100-AC Interconnect Hardwire Smoke And Carbon Monoxide Alarm
Sunco
$60.99
Code One Hardwired Interconnectable Smoke And Carbon Monoxide Detector, AA Battery Backup 21032251
Home Depot
605
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Code One Hardwired Interconnectable Smoke And Carbon Monoxide Detector, AA Battery Backup 21032251
Home Depot

Shop Wired Smoke Detectors

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$269.97
Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
Amazon.com
816
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Kidde Hardwired Smoke & Carbon Monoxide Detector, 10-Year Battery Backup, Voice Alerts, Interconnectable LED Warning Light Indicators, 4 Pack
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
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Kidde i12060 (21006376) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up - Contractor Packaging (Upgraded To SMACFEX-20-9003)
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Kidde i12060 (21006376) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up - Contractor Packaging (Upgraded To SMACFEX-20-9003)
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Kidde KN-COSM-IBA Hardwire Combination Smoke/Carbon Monoxide Alarm With Battery
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FIRST ALERT BRK SC9120B-3 Hardwired Smoke And Carbon Monoxide (CO) Detector With Battery Backup, White, Pack Of 3
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
aquabele
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aquabele
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Kidde I12040a (21006378) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up (Upgraded To SMACFEX-20-9003)
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Kidde I12040a (21006378) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up (Upgraded To SMACFEX-20-9003)
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First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm With Battery Backup, 6-Pack
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
ilenaavetikyan
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Kidde i4618 4-Pack Hardwired Smoke Alarm With Ionization Sensor, 120V AC, 9V Battery Backup
ilenaavetikyan
$188.47
Nest Protect - Smoke Alarm And Carbon Monoxide Detector - Wired
Home Depot
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Nest Protect - Smoke Alarm And Carbon Monoxide Detector - Wired
Home Depot
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Kidde KN-COSM-IBA Hardwire Combination Smoke/Carbon Monoxide Alarm With Battery
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bosaasforge
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Kidde 1275A 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Alkaline Battery Backup (Upgraded To SMACFEX-20-9003)
Electric Bargain Store
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Kidde 1275A 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Alkaline Battery Backup (Upgraded To SMACFEX-20-9003)
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First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
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First Alert 9120B 120V AC/DC Hardwired With 9V Battery Backup Ionization Smoke Alarm (Upgraded To SMI100-AC)
Electric Bargain Store
29
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Kidde i12080 (21006379) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up (Upgraded To SMACFEX + 20-9003)
Electric Bargain Store
1
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Kidde i12080 (21006379) 120V AC/DC Wire-In Ionization Smoke Alarm With 9V Battery Back Up (Upgraded To SMACFEX + 20-9003)
Electric Bargain Store
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Kidde AC Hardwired Interconnect Smoke Alarm With Hush i12040 (4-Units)
bosaasforge
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Kidde AC Hardwired Interconnect Smoke Alarm With Hush i12040 (4-Units)
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Smart Hardwired Smoke And Carbon Monoxide Detector With Voice Alarm 21031042
Home Depot
89
Free shipping
$89.97
Smart Hardwired Smoke And Carbon Monoxide Detector With Voice Alarm 21031042
Home Depot
89