
HVAC System Flexible Fabric Air Duct - China Fabric
Fire Retardant , Flame Retardant Flame Proof air ducting fabrics duct . Industrail Ventilation System Air Duct. Fabric Air Duct Hose , Flexible Air Distribution Duct Textiles . Air Pipe Air Tube Air ducting Fabric For HVAC system air duct . ECOGRACE Fabric Air ducting advantages : Flame resistance conforms to EN71-2 : 2011/DIN4102/UL94.