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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 BRK 7010B Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup, White & 9120B Hardwired Smoke Detector Alarm, 1 Pack, White - - Amazon.com
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First Alert SCO5CN 2 AA Batteries Operated Photoelectric Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to PRC700B)
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First Alert Wireless Interconnect Talking Battery Operated Smoke & Carbon Monoxide Alarm 1039839 from First Alert - Acme Tools
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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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First Alert Hardwired Carbon Monoxide Alarm with Battery Back-up CO5120BN from First Alert - Acme Tools
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