Flexible PVC Ducting: PVC duct has the characteristics of flame-retardant, corrosion resistance, flexibility, and very light.The carbon wire spring makes the whole duct very strong and easy for storage. Easy to Install and Hanging: Flexible pipe with D-ring for smooth hanging on the wall or column, high flexibility and free connection. Adjustable Rope: The rope can be flexibly adjusted to accommodate the size of the pipe opening, providing excellent fastening that minimizes air duct movement and displacement during operation, thereby enhancing work efficiency and safety. Reinforced Design: The wear-resistant professional industrial tape and thickened high carbon steel wire spring ensure the practicality and durability of the air duct, meeting the requirements of various application scenarios. Wide Application: The flexible heavy-duty 8-inch pipes are designed for ventilation applications including ducted fans and exhaust ports in factories, basements, farms, chemicals, tunnels, automotive manufacturing,etc.