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 DuctPE251051055800 ...