Flexible aluminum ducts of the "flex" type, which is made of aluminum tape with a thickness of 0.10mm to 0.12mm. The edges of the tape are joined together to form a special lock. The cable is characterized by the possibility of bending in any place and at any angle without changing the internal cross-section - at the same time it is very durable. It is used in ventilation systems and when distributing warm air from the fireplace. Material thickness: 0.10 mm - 0.12 mm Material name: aluminum tape Max. working temperature: from -20 to +200 degrees CConnections: nipple connectors