The Unitex Wall Terminal Large Louvre combines an external weather louvre, wall sleeve, and duct connection spigot in a single unit. The satin anodised louvre ensures complete weather protection. This version includes an 80mm wall sleeve, with an optional 280mm sleeve available, and accommodates spigot connections from 100mm to 400mm. Finished in epoxy powder coating, it is suitable for commercial ventilation applications. Stock reference: QSA125/80.