UN1954 COMPRESSED GAS, FLAMMABLE N.O.S., (NITROGEN, ETHYLENE) 2.1 20% ETHYLENE, 3% N-BUTANE, 5% TRANS-2-BUTENE, 3% CIS-2-BUTENE, 4% ISOPENTANE, 0.5% 3-METHYL-1-BUTENE, 3% 2-METHYL-1-BUTENE, 4% TRANS-2-PENTENE, 1% CIS-2-PENTENE, 5% 2-METHYL-2-BUTENE, 5% 1-BUTENE, NITROGEN BALANCE CERTIFIED, SIZE LP5 CUSTOMER OWNED CYLINDER