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These 120VAC hardwired alarms wire directly into your homes electrical system with battery backup. The combination of a Battery Backup that provides
First Alert Hardwired Smoke and Carbon Monoxide Alarm with Battery
First Alert 9120B 120 Volt Hardwired Smoke Alarm with Battery Back
First Alert 9120B Hardwired Smoke Alarm with Battery Backup
First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back
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First Alert Hardwired Smoke Alarm with Battery Backup - 9120B
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First Alert Brk Hardwired Ionization Sensor Smoke Detector in the
First Alert 9120B 120 Volt Hardwired Smoke Alarm With Battery Back
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