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First Alert Brk 6-Pack Hardwired Ionization Sensor Smoke Detector in the Smoke Detectors department at Lowes.com
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First Alert BRK 7010BFF-6 Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup, 6-Pack , White - Amazon.com
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First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location - Combination Smoke Carbon Monoxide Detectors - Amazon.com
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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 PRC710 Smoke and Carbon Monoxide Alarm with Built-In 10-Year Battery , White - Amazon.com
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First Alert OneLink Wi-Fi Smoke and CO Alarm review: Siri can't save First Alert's surprisingly dumb connected smoke alarm - CNET
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First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector with Voice Alert in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
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