My Airbnb didn't have a carbon monoxide detector, so I bought this portable one — it's down to $18 at Amazon
![Handheld Carbon Monoxide Meter, Portable Co Gas Detector, Gas Tester With 01000ppm Range, 1ppm Resolution | Fruugo UK Handheld Carbon Monoxide Meter, Portable Co Gas Detector, Gas Tester With 01000ppm Range, 1ppm Resolution | Fruugo UK](https://img.fruugo.com/product/1/88/282409881_max.jpg)
Handheld Carbon Monoxide Meter, Portable Co Gas Detector, Gas Tester With 01000ppm Range, 1ppm Resolution | Fruugo UK
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Carbon Monoxide Detector Portable with Digital LCD Display, Carbon Monoxide Alarm, Replaceable Battery CO Alarm Detector, 10 Years Life, Suitable for ...
![Carbon Monoxide Detector, CHNADKS Portable CO Detector with Visual Audible and Vibrating Alarm, Rechargeable Carbon Monoxide 0~1000ppm Range Meter ... Carbon Monoxide Detector, CHNADKS Portable CO Detector with Visual Audible and Vibrating Alarm, Rechargeable Carbon Monoxide 0~1000ppm Range Meter ...](https://m.media-amazon.com/images/I/61hxSjjEPEL._AC_UF894,1000_QL80_.jpg)
Carbon Monoxide Detector, CHNADKS Portable CO Detector with Visual Audible and Vibrating Alarm, Rechargeable Carbon Monoxide 0~1000ppm Range Meter ...
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Carbon Monoxide Detectors Portable Temperature Detector/Humidity Sensor/Air Quality Meter Smoke CO Gas Monitor [3 in 1] Alarm
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Aircraft Cockpit Accessories | Carbon Monoxide Detectors | SGE061 | Carbon Monoxide Gas Alarm | Pooleys Flying and Navigational Products and Accessories
![HAKINAKU Portable Carbon Monoxide Detector, Mini CO Alarm & Meter, 3-in-1 Combined Carbon Monoxide & Temperature & Air Humidity Meter with LCD-Screen ... HAKINAKU Portable Carbon Monoxide Detector, Mini CO Alarm & Meter, 3-in-1 Combined Carbon Monoxide & Temperature & Air Humidity Meter with LCD-Screen ...](https://m.media-amazon.com/images/I/717yqFKvV-L._AC_UF1000,1000_QL80_.jpg)
HAKINAKU Portable Carbon Monoxide Detector, Mini CO Alarm & Meter, 3-in-1 Combined Carbon Monoxide & Temperature & Air Humidity Meter with LCD-Screen ...
![HAKINAKU Portable Carbon Monoxide Detector, Mini CO Alarm & Meter, 3-in-1 Combined Carbon Monoxide & Temperature & Air Humidity Meter with LCD-Screen ... HAKINAKU Portable Carbon Monoxide Detector, Mini CO Alarm & Meter, 3-in-1 Combined Carbon Monoxide & Temperature & Air Humidity Meter with LCD-Screen ...](https://m.media-amazon.com/images/I/61v09HMUbLL.jpg)
HAKINAKU Portable Carbon Monoxide Detector, Mini CO Alarm & Meter, 3-in-1 Combined Carbon Monoxide & Temperature & Air Humidity Meter with LCD-Screen ...
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Handheld Carbon Monoxide Meter,high Precision Carbon Monoxide Tester And Detector,portable Co Gas Leak Detector,lcd Co Meter 01000ppm
![First Alert Carbon Monoxide Alarm with Temperature, Digital Display and 10-Year Sealed Battery - CO710 (1039753) First Alert Carbon Monoxide Alarm with Temperature, Digital Display and 10-Year Sealed Battery - CO710 (1039753)](https://www.firstalertstore.com/store/images/products/large_images/co710-first-alert-carbon-monoxide-alarm-with-digital-display-and-10-year-sealed-battery-4.jpg)
First Alert Carbon Monoxide Alarm with Temperature, Digital Display and 10-Year Sealed Battery - CO710 (1039753)
![Don't buy': Dangerous carbon monoxide alarms found on four major online marketplaces | UK News | Sky News Don't buy': Dangerous carbon monoxide alarms found on four major online marketplaces | UK News | Sky News](https://e3.365dm.com/23/08/1600x900/skynews-carbon-monoxide-which_6246649.jpg?20230810161121)
Don't buy': Dangerous carbon monoxide alarms found on four major online marketplaces | UK News | Sky News
![Cheffort Handheld Carbon Monoxide Meter, Portable Carbon Monoxide Detector, Professional-Grade CO Gas Tester with LCD Backlit Display, 0-1000PPM Range ... Cheffort Handheld Carbon Monoxide Meter, Portable Carbon Monoxide Detector, Professional-Grade CO Gas Tester with LCD Backlit Display, 0-1000PPM Range ...](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 ...
![Lunarlipes Carbon Monoxide Detectors, Portable CO Detector with Temperature Sensor & LCD Backlight Screen, Handheld Carbon Monoxide Meter Tester ... Lunarlipes Carbon Monoxide Detectors, Portable CO Detector with Temperature Sensor & LCD Backlight Screen, Handheld Carbon Monoxide Meter Tester ...](https://m.media-amazon.com/images/I/61xhkcTYWVL._AC_UF1000,1000_QL80_.jpg)