This is a flexible tube with acoustic and thermal protection. It reduces the noise generated by the extractors. Its construction is based on Aluconnect and it is also presented in individual packages containing 10 or 5 metres of tube. It is manufactured in all sizes for the extractors. Product manufactured in Europe. Sizes: 102, 127, 152, 203, 254 and 315 mm. For other sizes, please consult.