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Best Carbon Monoxide DetectorFrom leading brands and best sellers available on the web.
#1

Winner

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Google

Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Battery Operated , White - S3000BWES

#2
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Kidde

Kidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display

#3
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Kidde

41% off

Kidde Carbon Monoxide Detector, Plug In Wall with AA Battery Backup, Test-Hush Button

#4
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Kidde

Kidde Smoke & Carbon Monoxide Detector with Voice Alerts, Battery Powered, Combination Smoke & CO Alarm

#5

Best Value

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Kidde

39% off

Kidde Carbon Monoxide Detector, Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable

#6
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FIRST ALERT

First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack

#7
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FIRST ALERT

First Alert Powered Alarm SCO5CN Combination Smoke and Carbon Monoxide Detector, Battery Operated, 1 Pack, White

#8
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FIRST ALERT

First Alert CO615 Dual-Power Plug-In Carbon Monoxide Detector with Battery Backup and Digital Display, White

#9
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FIRST ALERT

35% off

First Alert Onelink Safe & Sound - Battery Powered Smart Hardwired Smoke + Carbon Monoxide Alarm and Premium Home Speaker with Amazon Alexa

#10
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Google

Google Nest Protect - Smoke Alarm - Smoke Detector and Carbon Monoxide Detector - Wired, White

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