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Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display, 4 Pack - Amazon.com
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Nighthawk CO Alarm, Battery Operated w/Digital Display | Home Safety | CO Detectors | Fire Equipment
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Kidde Nighthawk Carbon Monoxide Detector & Propane, Natural & Explosive Gas Detector, AC-Plug-in with Battery Backup, Digital Display, White & Smoke Detector, Battery Powered with Test Button - Amazon.com
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Kidde Nighthawk Battery Operated Carbon Monoxide Alarm, Basic (Kidde KN-COB-B-LS) | HomElectrical.com
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Kidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-In Wall with 9-Volt Battery Backup, Digital LED Display - Combination Explosive Gas Carbon Monoxide Detectors - Amazon.com
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