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Portable CO Detector 3-in-1 Carbon Monoxide Detector, Alarm Temp/Humidity Detector with Lanyard and Magnetic Suction Function, Mini CO Monitor
My Airbnb didn't have a carbon monoxide detector, so I bought this portable one — it's down to $18 at Amazon
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Bosean Portable Carbon Monoxide Detector Mini Car Digital CO Gas Alarm Monitor 0-1000PPM Sound Light Vibration Industrial Sensor
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Don't buy': Dangerous carbon monoxide alarms found on four major online marketplaces | UK News | Sky News
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First Alert Carbon Monoxide Alarm with Temperature, Digital Display and 10-Year Sealed Battery - CO710 (1039753)
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1pc Travel Portable Carbon Monoxide Detector, LCD Display Handheld Carbon Monoxide Detector, Precision Smoke And Carbon Monoxide Detector For * Motorhomes And Hotel Rooms, Without Batteries
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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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