Purchase Qty. Reference FOB Price
10-499 Pieces US$75.00
500+ Pieces US$60.00
Product Description
Indoor Air Quality CO2 Monitor, Carbon Dioxide CO2 Thermostat Controller Indoor Air Quality CO2 Monitor, Carbon Dioxide CO2 Thermostat Controller As we all know CO2 indoor will cause human discomfort or even poisoning. and hear about human die becuase of the concentration of CO2 too high? ...