General description Flexible and durable vinyl woven polyester ventilation tube with a smooth interior wall. This flexible PVC ducting is designed to be super flexible and explosion-proof, making it suitable for various ventilation applications. Technical specifications Length: 1 m Diameter: 300 mm Compatibility and accessories Adjustable ropes for fitting the size of the fan duct diameter D-shaped rings for hanging the flexible PVC duct Reinforced frame with professional industrial wear-resistant adhesive tape Thickened carbon wire spring for durability Usage This flexible PVC fan ducting is ideal for ventilation applications, including duct fans and exhaust vents in various environments such as factories, basements, farms, chemical products, tunnels, and automobile manufacturing.