Lid with mesh made of high quality galvanized steel DX51D+Z275, with zinc coating.
It incorporates a metal mesh for the protection and retention of external elements at the outlets of the ducts to the outside (for example, animals, objects, etc.)
The standard union is by simple male/female fitting.  (Male Accessories and Female Tubes).
Applications in ventilation, extraction, intraction, air conditioning duct networks.
Various diameters available. If you do not find what you are looking for, please contact us.