These tubes vary in length according to their diameter and have a bevel-cut at one end in order to prevent the entry of rainwater. They are supplied with a welded mesh protection grid to prevent the entry of birds or other animals or foreign objects. Also available as collars or segments.
They are an alternative to the traditional static or rotating cap and are usually fitted immediately after a 90º bend at the end of a conduit on an external section in a favourable direction.
For use in heating installations and may be used in ventilation and air extraction units in industrial kitchen hoods, filter outlets, extractor fans and ventilation units in general.