Industrial Scientific 17155304-Q Ventis PRO 4/5 Infrared Carbon Dioxide (CO2) Sensor, Measuring Range 0-5% by Vol MFG# IS-17155304-Q $1,033.14 Choose Options
MX6 iBrid Carbon Dioxide (CO2) IR Sensor, 0-5% vol, Mfg #17124975-Q MFG# IS-17124975-Q $914.36 Choose Options