These containers are ideal for either storage or transportation of sometimes hazardous gases or liquids. Because they meet rigid Department of Transportation manufacturing and testing regulations, they are environmentally friendly as well as economical. They are low maintenance and designed for the largest payloads possible.Excellent vacuum qualities and super insulation lead to lower evaporation rates and thus less lost product. Easy access to controls and piping gives the customer more efficient operation. Extended hold time facilitates lower storage cost.