This 18-inch flexible ventilation duct is manufactured from high-quality PVC & PE composite material, bright yellow for high visibility in underground environments.
It is lightweight, foldable, airtight, tear-resistant and flexible, easy to roll, transport and connect.
Specially designed for mining tunnels, underground construction and confined space ventilation. It can be matched with exhaust fans to realize air supply, smoke exhaust and dust removal.
Good tensile strength, long service life and simple on-site installation














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