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CO2 Monitor Carbon Dioxide Detect Indoor Air Quality Monitor Temperature Humidity Detection White product_type_lighting_and_indicators 【 Most Glasses Perfectly】 all 【 Most Glasses Perfectly】 all 6 to 12mm glasses perfect for country and retro furniture 4000ppm: above four colors flash 1、Portable and Easy to Use: The palm sized portable CO2 detector is easy to carry and can detect gas quality in bedrooms
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