Made of Fibersox   Class A nonflammable material which is mainly used in heating, ventilating and light refrigerating locations with strict fire safety requirement.
Other correlative names are: Fabric Air Duct,Fabric Air Ducting,Fabric Duct,Fabric Ductwork,Fabric Air Dispersion,Fabric Ventilation,
Textile Duct,Textile Ducting,Textile Ventilation