Air Duct,aluminum duct,flexible duct Multi-layered,Flexible Metallic Fire Resistant Easy to Install ir Duct,aluminum duct,flexible duct Model No.DescriptionMaterialPKProduct sizemm)CBMW.tF200100Ø200mm×2m Supurr-Flex DuctAluminum12052056600.02932.80F180100Ø180mm×2m Supurr-Flex DuctAluminum11851856600.02402.52F150100Ø150mm×2m Supurr-Flex DuctAluminum11551556600.01702.10F125100Ø125mm×2m Supurr-Flex ...