Technicial Specifications

They are performanced devices which can be used for every door with its 100 – 110 - 120 – 133 – 160 mm diameter fans and from 100 cm to 200 cm variable dimensions.
 
With the diagonal breezy, temperature compensated, nonflammable - noncombustible plastic shutters and side gates (PC Polycarbon), electrostatic painted against the exterior body corrosion, special fan palies lubricating itself in operation, separate balance tests for every device,  air management canals, low volume level, easy montage, electrical materials and cables concordant with the standards; they are long lived devices.