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First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated, 1 Pack, White - Combination Smoke Carbon Monoxide Detectors - Amazon.com
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Kidde P4010ACSCO-WF Smart Smoke and Carbon Monoxide Detector, 2-in-1 Wi-Fi Alarm with
First Alert 1039871/PRC710V 10 Year 2 In 1 Photoelectric Smoke Detector With Carbon Monoxide Alarm: Fire & Smoke Alarms & Accessories (029054019196- 1)
First Alert SCO501CN-3ST Wireless Voice Alert Smoke and Carbon Monoxide Alarm
USI Hardwired 2-in-1 Carbon Monoxide and Natural Gas Smart Alarm - MCN108
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SC06 Ionization 2-in-1 Smoke and Carbon Monoxide Detector Alarm(2-Pack
First Alert Z-Wave Plus Smoke & Carbon Monoxide Detector
USI MPC122S Hardwired 2-in-1 Photoelectric Smoke & CO Alarm with 10 Year Tamper Proof Sealed Battery Backup