Rib spiral pipe

Round duct tape formed by steel seaming spiral-shaped, with two veins reinforcing the center, which gives greater rigidity to the duct.

*Galvanized steel finish. 

*Nones diameters available.

*Available with internal insulation DuctLiner 1" thick and other.

* Union by couplings or flanges.

Advantages: allows to use thinner calibers than in straight spiral duct for the same diameter, this being a cheaper option in some cases.