A device for aerator adjustable ventilation and passive / active or comprising a Lattice which comprises a ventilation Pipe and a fixedConnected below the Vent; a tube with Openings which comprises at least an Opening located in the tube with openings and a Top Tube with opening.

摘要

p Adjustable Device for an aerator and / or active and passive ventilation, to ensure the Air Quality inside buildings.That includes: a celosu00cda comprising: a medium Vent pipe, a fixed and connected below the Middle ventilationA tube with openings, which comprises: at least an Opening located in the tube with openings and a Top Tube with opening, located at one end of the tube with OpeningsWhere The Lattice is operationally connected with the tube opening, so that a user regulates the displacement ventilation Tube with OpeningsTo let the Air Flow Through the Openings. / p