Home :: Restek :: Air & Gas Sampling :: Gas Calibration Standards :: Airgas Transportable Pure Gases and Mixtures :: Methane, Ethane, Ethylene, Acetylene, Propane, Propylene, n-Butane, Propyne in Nitrogen :: Restek Scott Air Std., EU Version: 15ppm ea of Methane, Ethane, Ethylene, Acetylene, Propane, Propylene, Propyne, n-butane in Nitrogen 110L 1yr shelf life, ea. (incl. Dangerous Goods Fee)