For the diverse industrial requirements, we are involved in providing the finest quality array of Flexible Ducting. The PVC Steel Line Flexible Duct is made by the preventability buming Two-sided net cloth and the steel ine. It's excellence include preventability buming,bear the heatm bear aging and bar Sour and Alkali and expediently to take, so it extesively used in the shipping, the underground project, the ditch, the Experiment and the depot. It is the best choice to use the PVC Steel Line Fexible Duct with the Portable Ventilator. Then, it can supply the strong wind, wipe off the dust and fume. It also improves the air quality. We provide this range at moderately rates.