Ventis MX4 LEL Sensor, Combustible Gases, Measuring Range 0-100% LEL in 1% increments, Pentane, Industrial Scientific 17134495 MFG# IS-17134495 $358.00 $354.42 Choose Options
Ventis MX4 Replacement H2S Hydrogen Sulfide Sensor, Industrial Scientific, Mfg# 1713-4479 MFG# IS-17134479 $444.00 $439.56 Choose Options
Ventis MX4 Replacement CO Carbon Monoxide Sensor, Industrial Scientific Mfg# 1713-4487 MFG# IS-17134487 $444.00 $439.56 Choose Options
Ventis MX4 SO2 Sulfur Dioxide Replacement Sensor, Industrial Scientific 17143595 MFG# IS-17143595 $460.85 Choose Options
Ventis MX4 NO2 Nitrogen Dioxide Replacement Sensor, Industrial Scientific 17134503 MFG# 17134503 $506.83 Choose Options