flexible air duct,PVC Aluminum duct,flexible duct,ventilation duct,rang hood duct According to needs,it stretches out and draws ... flexible air duct,PVC Aluminum duct,flexible duct,ventilation duct,rang hood duct Model No.DescriptionMaterialPKProduct sizemm)CBMPF100200Ø100mm×2m Plastic ... : flexible air duct,PVC Aluminum duct,flexible duct,ventilation duct,rang hood duct