Self-adhesive protection against soiling due to suction, of mechanical ventilation extraction outlets in communal or private dwellings

摘要

The invention relates to a protection making it possible to pick up on its membrane all the dirt due to the suction of the mechanical ventilation extraction outlets to make it possible not to have to carry out time-consuming tasks of cleaning these extraction outlets. It consists of a membrane 1 exhibiting a self-adhesive part 2 on its edges, it can have all the shapes of the extraction outlets existing on the international market. IMAGE