Dee Zee Transfer Tanks - A safe and convenient means for transporting non-flammable liquids. Constructed of heavy gauge Brite-Tread aluminum. Radius curve design eliminates key weld pressure points. Tanks feature stability baffles, lockable cap, 3/8 in. drainage plug, and venting coupler. Tanks are intended for private use (non-commercial). Not designed for use as an auxiliary fuel system. Not for use with gasoline. Does not meet title 49 of the United Stated Federal Registry governing transportation.