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First Alert 10-Year Battery Hardwired Photoelectric Sensor Smoke Detector in the Smoke Detectors department at Lowes.com
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First Alert BRK PRC710B Smoke & CO Combo Alarm with 10 Year Sealed Tamperproof Lithium Battery Pack of 6
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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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First Alert 10-Year Battery-operated Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com
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