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10 Best First Alert Carbon Monoxide Alarm Co Fa 9B - May 2026

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Last Updated: 05-05-2026

1

FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button, Single

FireAngel Carbon Monoxide Alarm and Detector - FA6813 10-Year Sensor Life CO Alarm for Home with AA Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor with Test Button, Single

Fireangel

9.8

9.8

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2

FIRST ALERT Battery-Powered Carbon Monoxide Alarm, Black (CO410), 120 V, 1 Pack

FIRST ALERT Battery-Powered Carbon Monoxide Alarm, Black (CO410), 120 V, 1 Pack

First Alert

9.6

9.6

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3

3 Packs Carbon Monoxide Detector - AGSMXSYG Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV & Kitchen

3 Packs Carbon Monoxide Detector - AGSMXSYG Carbon Monoxide Alarms Battery Powered with Digital Display, CO Detectors Alarms Monitor for Home,RV & Kitchen

AGSMXSYG

9.5

9.5

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4

saf First Alert smoke and co combo

saf First Alert smoke and co combo

First Alert

9.2

9.2

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5

Kidde 5DCO Digital Carbon Monoxide Alarm and Detector with AA Batteries - 10 Year Sensor Life Digital Display CO Alarm - 7 Year Warranty

Kidde 5DCO Digital Carbon Monoxide Alarm and Detector with AA Batteries - 10 Year Sensor Life Digital Display CO Alarm - 7 Year Warranty

Kidde

9.1

9.1

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6

SafeFlame Carbon Monoxide Detector, EN 50291 Certified CO Alarm with 10-Year Sensor, LCD PPM Display, 85dB+ Alert, CE & UKCA Approved, AA Battery Included, Freestanding or Wall Mounted

SafeFlame Carbon Monoxide Detector, EN 50291 Certified CO Alarm with 10-Year Sensor, LCD PPM Display, 85dB+ Alert, CE & UKCA Approved, AA Battery Included, Freestanding or Wall Mounted

SafeFlame

8.8

8.8

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7

FIRST ALERT CO710 Carbon Monoxide Alarm with 10-Year Battery and Digital Temperature Display, 120 V, White, Pack of 1

FIRST ALERT CO710 Carbon Monoxide Alarm with 10-Year Battery and Digital Temperature Display, 120 V, White, Pack of 1

First Alert

8.6

8.6

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8

FireAngel Carbon Monoxide Alarm and Detector - FA3313 10-Year Sensor Life CO Alarm for Home with 1-Year Replaceable Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor - White

FireAngel Carbon Monoxide Alarm and Detector - FA3313 10-Year Sensor Life CO Alarm for Home with 1-Year Replaceable Batteries - Travel, Portable Carbon Monoxide Detector - CO Detector Monitor - White

Fireangel

8.4

8.4

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9

FIRST ALERT SCO501CN-3ST Smoke and Carbon Monoxide Alarm, 120 V, White, Pack of 1

FIRST ALERT SCO501CN-3ST Smoke and Carbon Monoxide Alarm, 120 V, White, Pack of 1

First Alert

8.2

8.2

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10

First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location

First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location

First Alert

8.1

8.1

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