The Aldes 11091102 is a genuine Aldes Benelux oval air duct, specifically designed for ventilation systems. This PVC duct features a 40x100mm oval cross-section and a total length of 3 meters. It is functionally equivalent to an 80mm diameter (D80) round duct, providing efficient airflow for various HVAC applications. Manufactured from durable PVC, it ensures reliable performance and easy installation.