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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 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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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 Hardwired Carbon Monoxide Detector with 9-Volt Battery Backup, Digital LED Display 5.75 diameter x 1.8 depth - Carbon Monoxide Detectors - Amazon.com
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Kidde Plug-In Smart Carbon Monoxide Detector & Indoor Air Quality Monitor with Battery Backup - Walmart.com
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