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First Alert 2-in-1 Z-Wave Wireless Smoke Detector & Carbon Monoxide Alarm, Battery Operated - Amazon.com
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2nd Generation - First Alert Smoke and CO2 Alarm - Z-wave - Devices & Integrations - SmartThings Community
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First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack - Carbon Monoxide Detectors - Amazon.com
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First Alert Battery-Operated Carbon Monoxide Detector in the Carbon Monoxide Detectors department at Lowes.com
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First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack - Carbon Monoxide Detectors - Amazon.com
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First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack - Carbon Monoxide Detectors - Amazon.com
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