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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
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GZAIR SA103 CO Carbon Monoxide Detector with Visual, Audible, and Vibrating Alerts, Portable CO Monitor, IP67 Waterproof CO Gas Alarm for Home and Travel, Battery Operated | GZAIR Detectors
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Lunarlipes Handheld Carbon Monoxide Meter, Portable Carbon Monoxide Detector, Professional-Grade CO Sensor Tester with LCD Backlit Display, 0-1000PPM Range for Industrial & Home (Battery Not Included) - Amazon.com
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GZAIR SA103 CO Carbon Monoxide Detector with Visual, Audible, and Vibrating Alerts, Portable CO Monitor, IP67 Waterproof CO Gas Alarm for Home and Travel, Battery Operated | GZAIR Detectors
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First Alert 2-Pack Plug-in Carbon Monoxide Detector in the Carbon Monoxide Detectors department at Lowes.com
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