Photo 1 of Handheld Carbon Monoxide Meter, Portable CO Gas Detector, Gas Tester with 0?1000ppm Range, 1PPM Resolution(Battery NOT Included)

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Photo 1 of Handheld Carbon Monoxide Meter, Portable CO Gas Detector, Gas Tester with 0?1000ppm Range, 1PPM Resolution(Battery NOT Included) Photo 2 of Handheld Carbon Monoxide Meter, Portable CO Gas Detector, Gas Tester with 0?1000ppm Range, 1PPM Resolution(Battery NOT Included)