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.
佛山PVC风管