Galvanized helical duct and accessories which comply with the standards 400º 2h made under the standard UNE 100-102/88.
The chimney caps are built with galvanized steel sheet, adaptable to galvanized or stainless ...
All galvanized ducting accessories are designed to be attached directly to the helical ducting.
Accessories for duct or pipe to transform from any circular diameter duct to any rectangular duct.