Hydrogen Sulfide (H2S), Carbon Monoxide (CO), Methane (CH4), Oxygen (O2) 60 Liter $175.75 Hydrogen Sulfide (H2S), Carbon Monoxide (CO), Methane (CH4), Oxygen (O2) quantity Add to cart SKU: GFX60-150-100-I Category: Gas Cylinders Description Description Hydrogen Sulfide 20 ppm/ Carbon Monoxide 60 ppm/ Methane 1.45% (58% LEL Pentane Equiv.)/ Oxygen 15.0%/ N2 Related products Silane (SiH₄) Calibration Gas – 5 ppm – 60L Cylinder $304.00 Add to cart Oxygen (O₂) Calibration Gas – 20.9% – 103L Cylinder $95.00 Add to cart Nitric Oxide (NO) Calibration Gas – 25 ppm – 60L Cylinder $304.00 Add to cart Chlorine (Cl₂) Calibration Gas – 5 ppm – 60L Cylinder $304.00 Add to cart