Stainless Steel Dri-Pak Containers is stackable and store both indoor and outdoor. It is available in mild or stainless steel. It provides the dot specification 57 for shipping hazardous material. It provides choice of valves in butterfly, iris, slide tray. It is pictured with round butterfly valve. It reduces the product loss and labor cost. It utilizes the floor space. It includes 10 to 150 cu. Ft. capacity.