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【Mini Air Quality Monition】The Air Quality Monitor is small and portable, easy to carry around as a decoration, and you can check air quality anywhere

Mini CO2 Detector, Aiment 3-in-1 Lightweight Portable Carbon Dioxide Detector Air Quality Monitor Temperature Humidity Air Analyzer Digital CO2 Meter

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CO2 Detector, Aiment WiFi Smart Air Quality Monitor High Accurate Sensor Carbon Dioxide Detector CO2 Monitor Temperature Humidity Digital CO2 Meter for Indoor Home for Thanksgiving: : Industrial & Scientific