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First Alert Brk Hardwired Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com
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Kidde Smoke Detector, Hardwired Smoke Alarm with 9-Volt Battery Backup, Test-Reset Button, Interconnect Capability - Amazon.com
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First Alert Brk Hardwired Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com
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