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Kidde Firex Plug-in Carbon Monoxide Detector, 9-Volt Battery Backup and Digital Display, CO Detector 21029915 - The Home Depot
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Kidde Fire Safety Smoke and Carbon Monoxide Alarm 85 dB Decibel Rating, AA Battery Not Included, Indicating Light 21007450 - 61972857 - Penn Tool Co., Inc
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Kidde Carbon Monoxide Detector, AA Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable - Carbon Monoxide Detectors - Amazon.com
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