x 125mm connector, steel non-return valve, aluminum flap, tumble dryer ventilation

This duct connector incorporates an automatic backdraft damper to ensure unidirectional airflow. The galvanized steel housing and aluminum blades offer optimal durability. Ideal for ventilating tumble dryers, bathrooms, or cooker hoods, this damper prevents cold air infiltration. The rubber seal reduces noise, while the foam strip ensures an airtight duct seal. Diameter: 125 mm. Housing material: Galvanized steel sheet. Blade material: Aluminum. Pin and spring material: Stainless steel. Inner seal: Rubber. Outer strip: Foam.

Technical specifications: 125 mm diameter, galvanized steel housing, lightweight aluminum blades, and robust stainless steel pin. Compatibility: Suitable for 125 mm round and 127 mm flexible ducts for tumble dryers, ventilation systems, cooker hoods, and hydroponic systems.

Installation: Can be installed horizontally or vertically with a vertical shaft, and inserts directly into rigid or flexible ducting using a clamp. Operation: The damper opens automatically according to the airflow to block cold air re-entry and optimize mechanical extraction. Tips: Silent inner seal and airtight foam included. Hose clamps are recommended for secure attachment to flexible ducts.