$95.00 103 Liter Hydrogen (H2) quantity Add to cart SKU: G103L-H2-50L-I Category: Gas Cylinders Description Description H2, 50% LEL in air Related products Propane (C₃H₈) Calibration Gas – 1.10% (50% LEL) $52.25 Add to cart Nitrogen (N2) $95.00 Add to cart Carbon Monoxide (CO) $109.25 Add to cart Phosphine (PH3) $304.00 Add to cart