Metal duct reducer

Metal duct reducer, used to connect ducts of different diameters to each other, to reduce or increase the airflow. It is possible to connect flexible or rigid ducts. It can also be used for hot air ducts not exceeding 200°C. Allows for the use of different diameter ducts to ventilate garages, rooms, basements, etc... Dimensions: 100/125 - 125/150 - 150/200 - 200/250 - 250/315