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Ecoosi's semi-rigid aluminum duct is made of corrugated aluminum that is twisted to form a continuous airtight lock-seam. This semi-rigid aluminum air duct is suitable for heating, ventilation, and air conditioning systems.

Ecoosi's Semi-rigid Aluminum Air Duct is an aluminum duct that can be extended from 1 to 4 meters in length, with a 1:4 expansion/contraction ratio. This metal duct features a single-layer spiral corrugation structure, making it both lightweight and durable. These corrugations contribute to its ability to expand to over four times its compressed length!

Ecoosi's Semi-rigid Aluminum Air Duct can withstand temperatures up to 150°C because of the aluminum's inherent heat resistance. It also operates efficiently in temperatures as low as -20°C. Overall, this aluminum duct has a wide temperature range. 

Ecoosi's Semi-rigid Aluminum Air Duct is available in a variety of inner diameter (mm) sizes: 63mm, 76mm, 102mm, 127mm, 152mm, 160mm, 180mm, 203mm, 254mm, 305mm. This flexible metal duct has a wall thickness of 0.1 mm. Its ends are flush-cut and finished in a classic metallic silver color. This flexible metal hose is also semi-rigid, meaning once bent into position, it stays there without any additional support. Of course, you can bend it again to reposition it in a different position. Overall, you likely won't need any fittings, such as elbows, to install this hose in loops or bends.

Ecoosi's Semi-rigid Aluminum Air Duct is explicitly designed for air and smoke ventilation, making it ideal for a variety of residential, commercial, and industrial applications, especially those that require conveying hot materials. For example, a wood-burning stove requires proper venting of the hot smoke from burning wood. Aluminum Flex Duct is ideal for this application, especially since the exhaust duct from a wood-burning stove often requires a detour to reach its destination. Other common uses for this metal flexible duct include chemical fume ventilation, circuit board cooling, and air conditioning ducting.

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