$118.75 34 Liter Hydrogen Sulfide (H2S), Carbon Monoxide (CO), Methane (CH4), Oxygen (O2) quantity Add to cart SKU: GFX34-150-100-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 Propane (C3H8) $52.25 Add to cart Propane (C3H8) $52.25 Add to cart Chlorine (Cl2) $304.00 Add to cart Oxygen (O2) $95.00 Add to cart