This product is a vertical liquid storage tank recommended for construction and agricultural use. Made of .100 inch thick aluminium. Not intended for transferring gasoline or other flammables, and should be not be used as an auxiliary fuel tank. Does not meet DOT specifications. Tradesman 37-gallon bright aluminium vertical liquid storage tank is designed to be used for construction and agricultural use. It is constructed from highly durable 100 gauge aluminium. This tank is recommended not to be used as an auxiliary fuel tank and is not intended for transferring gasoline or other flammables. It is available in an attractive bright diamond plated aluminium finish.