The Elta 018 – 125-DAMPER is a 125mm circular duct damper designed to stop reverse airflow when the ventilation fan is not in use. It features a robust galvanised sheet steel casing and lightweight, spring-loaded aluminium blades that automatically close when airflow stops.
This backdraft damper is ideal for maintaining efficiency and air quality in ducted ventilation systems by preventing unwanted air ingress. Its compact, durable construction makes it suitable for a variety of HVAC installations where passive air control is needed.