Home :: Restek :: Air & Gas Sampling :: Gas Calibration Standards :: Airgas Transportable Pure Gases and Mixtures :: n-Butane, Isobutane, cis-2-Butene, trans-2-Butene, 1-Butene, iso-Butylene, 1,3-Butadiene, Ethyl acetylene in Nitrogen :: Restek Scott Air Std., EU Version: 110L size, 15ppm ea of n-Butane, Iso-Butane, cis-2-Butene, trans-2-Butene, 1-Butene, Iso-Butylene, 1,3-Butadiene, Ethyl Acetylene in Nitrogen, 1 year shelf life, ea. (incl. Dangerous Goods Fee)