Double-layer rubber-coated tanks made of polystyrene fibers have a high resistance to chemicals and oil. Floating inflatable "tubes raise the tank as the liquid level rise. Storage tanks of the liquid is very compact and light. Tanks are equipped with special valve for pumping and venting out the tube, and also have a safety valve.
Long service life, and wide operating temperature range makes these tanks ideal for emergency collection of hazardous liquids or water storage for fire fighting and many other purposes.