Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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Carbon Monoxide Shapes of 2025
Save up to 38% off
Best Choice1
JjingJJing Carbon Monoxide Alarm CO Module CO Sensor Compatible with Some Harbor Freight Predator 4375 3500 Watt Generator
9.7Exceptional
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Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you
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Value for Money2
KiddeKidde Carbon Monoxide Detector, Propane, Natural, Methane, & Explosive Gas Alarm, Plug-in Wall with 9-Volt Battery Backup, Digital LED Display
9.4Excellent
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3
First AlertFIRST ALERT Carbon Monoxide Alarm | BRK CO250 Battery Operated Carbon Monoxide Detector With 9-Volt Battery & Two Silence Features
31% Off9.3Excellent
Our Rating
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4
First AlertFirst Alert Carbon Monoxide Detector, Plug-In Alarm with Battery Backup, CO605, White, 1-Pack
9.1Excellent
Our Rating
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5
KiddeKidde Carbon Monoxide Detector, Plug In Wall with 9-Volt Battery Backup, Digital LED Display
24% OffKey specs-
power source:Plug In
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alarm:Audible
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sensor:Ionization
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dimensions:1.75D x 3.75W x 6.06H
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color:White
8.8Very Good
Our Rating
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6
KiddeKidde Carbon Monoxide Detector, Plug in Wall with AA Battery Backup, Test-Hush Button
11% Off8.6Very Good
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7
X-SenseX-Sense Carbon Monoxide Detector Alarm with Digital LCD Display, Replaceable Battery CO Alarm Detector with Peak Value Memory, XC01-R
8.5Good
Our Rating
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8
LunarlipesLunarlipes Carbon Monoxide Detectors, Portable CO Detector for Travel, Mini 3-in-1 Carbon Monoxide Monitor with Magnetic Suction, RV CO Alarm Temp/Hum Sensor, Rechargeable CO Monitor 120HR Standby
30% Off8.3Good
Our Rating
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9
First AlertFirst Alert CO710 Carbon Monoxide Detector with 10-Year Battery and Digital Temperature Display , White
Key specs-
power source:10-year lithium battery
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alarm:85-decibel alarm
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sensor:Carbon monoxide sensor
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dimensions:N/A
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color:N/A
8.2Good
Our Rating
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10
First AlertFirst Alert Carbon Monoxide Detector, Plug-In Alarm with Test & Silence Button, CO600, White, 1-Pack
38% OffKey specs-
power source:Corded Electric
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alarm:Audible
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sensor:Electrochemical
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dimensions:2.8D x 8.5W x 6.75H
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color:White
8.0Good
Our Rating
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