The Unitex Wall Terminal Large Louvre combines an external weather louvre, wall sleeve, and duct connection spigot into a single unit for convenient installation. Featuring a satin anodised louvre, it provides complete protection against weather. The unit comes with a 280mm wall sleeve section, with an optional 80mm sleeve available, and spigot connections range from 100mm to 400mm. Finished in epoxy powder coating, this wall terminal is suitable for commercial ventilation applications. Stock reference: QSA100/280.