Custom Spiral Ventilation Air Duct for Optimal Underground Airflow Solutions

Custom Spiral Ventilation Air Duct for Optimal Underground Airflow Solutions. Customizable Dimensions: Diameter 200-3200mm and Length 10-300m available upon request. High Tensile Strength: Customized material strength ensures durability in warp and weft directions. Fire-Retardant & Anti-Static: Meets safety standards with flame-retardant properties and anti-static options. Wide Color Selection: Available in four colors: Yellow, Black, Orange-Red, and Green. Eco-Friendly Material: Made from PVC composite polyester fiber, odorless and environmentally friendly. Versatile Applications: Ideal for mining, marine, firefighting, and industrial ventilation in harsh environments. Superior Airtightness: Hot-air welding with 5cm width ensures low friction and minimal air leakage. Flexible Connection Options: Supports Zipper, steel ring, and Velcro connections for easy installation.