$308.75 120 Liter Hydrogen Sulfide (H2S), Carbon Monoxide (CO), Methane (CH4), Oxygen (O2) quantity Add to cart SKU: GFX120-155-5300-I Category: Gas Cylinders Description Description H2S 25 ppm/ CO 100 ppm/ CH4 2.5% (50% LEL)/ O2 18.0%/ N2 Related products Propane (C₃H₈) Calibration Gas – 1.10% (50% LEL) $52.25 Add to cart Hydrogen Chloride (HCL) $304.00 Add to cart Ammonia (NH₃) Calibration Gas – 50 ppm $304.00 Add to cart Chlorine (Cl₂) Calibration Gas – 5 ppm $304.00 Add to cart
