It is a multipurpose heat insulated flexible air duct specially designed for heating, cooling, ventilation, air conditioning and waste gas systems operating at low and medium pressure. It has an extremely high flexing, bending and compressibility feature. It is easy to install in oval, round and corner joints.  Dimensions, tolerances and mechanical strength properties of flexible air ducts are tested, classified and certified in accordance with EN 13180 standard. Taking into account the sensitive…