Formed from 10 gauge steel with smooth, continuously welded seams. Body stiffeners are included in the larger enclosures for extra rigidity. Flange trough collar (FTC) around door opening excludes liquids and contaminants. 15" floor stands are welded to the enclosure. Removable doors are secured with heavy duty lift-off hinges. Formed 10 gauge steel inner panels are provided on collar studs. Panel supports are provided.