The Unitex Wall Terminal Large Louvre 100mm Diameter, 280mm Length (Stock Ref: QSA100/280) combines an external weather louvre, wall sleeve, and duct connection spigot in a single unit. The satin anodised louvre provides complete protection against weather conditions, while the epoxy powder-coated finish ensures durability. The wall sleeve is available in either 280mm or 80mm sections, and spigot connections accommodate duct sizes from 100mm to 400mm. Ideal for commercial ventilation applications, this wall terminal offers a robust and practical solution for efficient airflow and system protection.