Industrial Scientific 17155304-K Ventis PRO 4/5 LEL (Pentane) Sensor, Measuring Range 0-100 %, 4 Series Catalytic MFG# IS-17155304-K $405.82 Choose Options
Industrial Scientific 17155304-L Ventis PRO4/5 CH4-LEL Sensor, Measuring Range 0-100% LEL in 1% increments MFG# IS-17155304-L $428.79 Choose Options