PVC Flexible Tunnel Ventilation Duct Hose with Steel Ring for Efficient Underground Engineering Solutions

PVC Flexible Tunnel Ventilation Duct Hose with Steel Ring for Efficient Underground Engineering Solutions. Customizable Dimensions: Diameter 200-3200mm and Length 10-300m available upon request. Flame-Retardant Safety: Meets EU and US safety benchmarks with anti-static options. High Tensile Strength: Superior strength in both warp and weft directions guaranteed. Eco-Friendly Design: Odorless, environmentally friendly, and made from PVC composite. Low Airflow Resistance: Smooth surface and double-sided coating ensure minimal friction. Versatile Applications: Ideal for mining, marine, firefighting, and underground engineering. Flexible Connection Options: Available with zipper, steel ring, or Velcro connections. Durable Construction: Crafted with hot-air welding and 5cm welding width for longevity.