Purchase Qty. Reference FOB Price
10-499 Pieces US$75.00
500+ Pieces US$60.00
Product Description
Carbon Dioxide Monitor, CO2 Thermostat Meter for Indoor Air Quality Carbon Dioxide Monitor, CO2 Thermostat Meter for Indoor Air Quality 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? A good ...