Home Slickdeals Airthings 2930 Wave Plus – Radon & Air Quality Monitor (CO2, VOC,... Slickdeals Airthings 2930 Wave Plus – Radon & Air Quality Monitor (CO2, VOC, Humidity, Temp, Pressure): Amazon $149 By ARCOM - 4 October 2021 71 0 SHARE Facebook Twitter Go to the deal page: Airthings 2930 Wave Plus – Radon & Air Quality Monitor (CO2, VOC, Humidity, Temp, Pressure): Amazon $149