Air ducts for grain storage barn type is the best way to preserve the harvest of grain in the granaries of the owner of the crop. Ideal protection from unexpected losses. The quality of storage - as in grain elevators. Minimum price from the supplier. The shortest terms of order execution. Advice and assistance in equipping the systems of forced ventilation of grain silos barn type. The height of the mound is 4.5 - 5.0 meters. VAT refunds and subsidies for import substitution programs. All products are patented and certified. Save your crop on your farm!