Rectangular wall external intake louvre used in ventilation installation intake and exhaust as the end of air intake pipes and ventilation holes in the walls of...
Louvre with movable blades used in ventilation installation intake and exhaust as the end of air intake pipes and ventilation holes in the walls of buildings, a...
Door ventilation grilles double sides, have the function of equalizing-flow. They are part of the ventilation system to ensure flow between rooms. Grilles have ...
Grille intake and exhaust used in low and medium pressure industrial facilities or public areas where it is necessary to exchange a large amount of air. KSO/D i...