UN1954 COMPRESSED GAS,FLAMMABLE N.O.S. (ETHANE, PROPANE) 2.1 30.00% PROPANE, 2.50% ISOBUTANE, 2.50% N-BUTANE, 1.00% ISOPENTANE, 1.00% N-PENTANE, 0.50% HEXANES PLUS, 0.25% NITROGEN 1.80% METHANE, 0.50% CARBON DIOXIDE, ETHANE BALANCE CERTIFIED, SIZE LP5 CUSTOMER OWNED CYLINDER