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FIRST ALERT Carbon Monoxide Detector, Battery Operated, 6-Pack, CO400 - Amazon.com
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First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack
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1.6K views · 55 reactions | Simply install the First Alert CO615 Carbon Monoxide Alarm by plugging into any standard electrical outlet. Also equipped with battery backup for protection during power outages and a digital display for easy readings. #KnowCO | First Alert | Facebook
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