The Unitex Wall Terminal Large Louvre 315mm Diameter, 80mm Length (Stock Ref: QSA315/80) combines an external weather louvre, wall sleeve, and duct connection spigot into a single robust unit. The satin anodised louvre provides complete protection against external weather, and the epoxy powder-coated finish enhances durability. Wall sleeve options include 280mm or 80mm lengths, and spigot connections support duct sizes from 100mm to 400mm. Designed for commercial ventilation systems, this wall terminal ensures reliable performance and efficient airflow management.