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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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Which? investigation prompts 100s of unsafe CO alarms to be removed from sale: do you have one? - Which? News
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First Alert 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
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