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First Alert Brk Hardwired Photoelectric Sensor Smoke Detector in the Smoke Detectors department at Lowes.com
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First Alert smoke detector removed and there's still beeping at the hole in the ceiling! - Fire Alarm General Discussion - The Fire Panel Forums
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First Alert SCO7CN Combination Smoke and Carbon Monoxide Detector with Voice and Location, Battery Operated , White - Combination Smoke Carbon Monoxide Detectors - Amazon.com
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First Alert BRK 7020BSL Hardwired Hearing Impaired Smoke Detector with LED Strobe Light , white - Amazon.com
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First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup - Combination Smoke Carbon Monoxide Detectors - Amazon.com
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