Flexible Ducts are designed for conveying air in ventilation. They are made of spirally wound strip of galvanized steel with a thickness of 0.5 to 0.8 mm depending on the diameter or according to customer requirements.
Fittings (elbows, bends, reducers, transitions, tees, S-removal, etc..) They are also made of galvanized steel and different thicknesses depending on the perimeter.