New Desktop Home Air Box Home Carbon Dioxide Sensor NDIR CO2 Meter with Temperature Humidity Display

$8.09 - $8.89 Shangqiu Shuangyang Environmental Protection Technology Co., Ltd. https://www.alibaba.com/trade/search?fsb=y&IndexArea=product_en&SearchText=carbon+dioxide+Fixed+Gas+Detector&tab=all&preKeywords=carbon%20dioxide carbon dioxide 12.docx