DEE ZEE TANKS LONG RECTANGLE BLACK STEEL Not DOT Approved For Transport Of Fuel Or Flammable Liquids; Not To Be Used As An Auxiliary Fuel Tank To Feed Directly Into Fuel System; 40 Gallon Capacity; Narrow Rectangle Shape; 9.7 Inch Length x 56 Inch Width x 19 Inch Height; Black Steel; With Locking Vent Cap