Ventis MX4 O2 Oxygen Sensor, 17134461, Measuring Range 0-30% Vol, Industrial Scientific MFG# IS-17134461 $268.00 $255.46 Choose Options
AirAware Replacement O2 Oxygen Sensor, 0-30% Vol Measuring Range, 7OX-V, SKU# 17050129 MFG# OH-17050129 $300.00 $288.90 Choose Options
Industrial Scientific MX6 iBrid Oxygen O2 Sensor, Measuring Range 0-30% Vol, Mfg# 17124975-3 MFG# IS-17124975-3 $317.00 $309.15 Choose Options
Oldham Replacement Oxygen O2 Sensor for iTrans & iTrans2, Mfg# 77024412 MFG# IS-77024412 $360.00 $321.00 Choose Options
Ventis MX4 Replacement CO Carbon Monoxide Sensor, Industrial Scientific Mfg# 1713-4487 MFG# IS-17134487 $444.00 $423.58 Choose Options