Smart air quality CO2 meter, desktop / wall-mounted carbon dioxide monitor for school classrooms
$500.00
Sale price
$500.00
Regular price
$40.00 - $50.00 Beijing Shian Technology Instrument Co., Ltd. https://www.alibaba.com/product-detail/Wireless-Temperature-Humidity-Carbon-Dioxide-Detector_1601084266140.html carbon dioxide 14(1).docx