![Cheffort Handheld Carbon Monoxide Meter, Portable Carbon Monoxide Detector, Professional-Grade CO Gas Tester with LCD Backlit Display, 0-1000PPM Range for Industrial and Home (Battery Not Included) - Amazon.com Cheffort Handheld Carbon Monoxide Meter, Portable Carbon Monoxide Detector, Professional-Grade CO Gas Tester with LCD Backlit Display, 0-1000PPM Range for Industrial and Home (Battery Not Included) - Amazon.com](https://m.media-amazon.com/images/I/61ugRRBeAYS.jpg)
Cheffort Handheld Carbon Monoxide Meter, Portable Carbon Monoxide Detector, Professional-Grade CO Gas Tester with LCD Backlit Display, 0-1000PPM Range for Industrial and Home (Battery Not Included) - Amazon.com
![First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com](https://mobileimages.lowes.com/productimages/cfeaefbf-8e9c-4b55-aed2-5ee085a4677b/09146393.jpg)
First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
![Kidde Firex Plug-in Carbon Monoxide Detector, 9-Volt Battery Backup and Digital Display, CO Detector 21029915 - The Home Depot Kidde Firex Plug-in Carbon Monoxide Detector, 9-Volt Battery Backup and Digital Display, CO Detector 21029915 - The Home Depot](https://images.thdstatic.com/productImages/5b8b1a0d-2d9c-4ec6-9bc2-96a568ae6c88/svn/kidde-carbon-monoxide-detectors-21029915-64_600.jpg)
Kidde Firex Plug-in Carbon Monoxide Detector, 9-Volt Battery Backup and Digital Display, CO Detector 21029915 - The Home Depot
![Kidde 10-Year Worry Free Smoke & Carbon Monoxide Detector, Lithium Battery Powered with Photoelectric Sensor and Voice Alarm 21030866 - The Home Depot Kidde 10-Year Worry Free Smoke & Carbon Monoxide Detector, Lithium Battery Powered with Photoelectric Sensor and Voice Alarm 21030866 - The Home Depot](https://images.thdstatic.com/productImages/999daee5-6c65-4d1c-ab18-ea9e6a85ff89/svn/kidde-smoke-and-carbon-monoxide-detectors-21030866-64_1000.jpg)
Kidde 10-Year Worry Free Smoke & Carbon Monoxide Detector, Lithium Battery Powered with Photoelectric Sensor and Voice Alarm 21030866 - The Home Depot
![First Alert SC7010B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup - Walmart.com First Alert SC7010B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup - Walmart.com](https://i5.walmartimages.com/seo/First-Alert-SC7010B-Hardwired-Smoke-and-Carbon-Monoxide-CO-Detector-with-Battery-Backup_017106e9-aec2-40ce-ab3f-12e903657071.30c9cd14cea6029c11ce7a4a9d7fe2d0.jpeg)