Airy Technology® Air Quality Monitors Indoor Air Quality Monitors R5301-AQM1 andR5301-AQM2Air Quality Monitor (CO2, Temp, RH and TVOC with internal pump @ 2.83 LPM) MORE INFO B7301-AQM1 andB7301-AQM2Air Quality Monitor (CO2, Temp, RH and TVOC with internal pump @ 2.83 LPM and battery) MORE INFO H8301-AQM1 andH8301-AQM2Air Quality Monitor (CO2, Temp, RH and TVOC with internal pump @ 2.83 LPM and battery) MORE INFO R5300-AQM1 andR5300-AQM2Air Quality Monitor (CO2, Temp, RH and TVOC with internal pump @ 1.2 LPM) MORE INFO B7300-AQM1 andB7300-AQM2Air Quality Monitor (CO2, Temp, RH and TVOC with internal pump @ 1.2 LPM and battery) MORE INFO H8300-AQM1 andH8300-AQM2Air Quality Monitor (CO2, Temp, RH and TVOC with internal pump @ 1.2 LPM and battery) MORE INFO