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Smooth spiral pipe

Flat spiral pipe

Round duct formed by a helicoidal seaming galvanized steel strip.

specs duct.png

* Galvanized steel finish. 

* Nones diameters available 5,7,9,11,13 and 15".

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

* Union by couplings, clamps or  iron flanges.

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