The chimney top or static aspirator Mod. CALATRAVA, is made of aluminum with internal welding and with flush ventilation slats with a flat skirt, with a total height according to need. This finish can be manufactured with straight slats or with Z-shaped slats. Manufactured 100% to measure. It offers an effective ventilation solution for use in residential buildings, single-family houses, public buildings, etc., with the possibility of choosing a baked lacquer in any color from the RAL chart to adapt to your preferences and aesthetic needs.