DescriptionReviews Description Its body is made of galvanized sheet metal and its wings are made of aluminum wing profile.In a multi-leaf air damper, the blades move in opposition. When in the closed position, they overlap each otherIt creates a leak-proof structure.In the open position, it creates the lowest possible pressure loss.It can be controlled with Spring Return and Non-Spring Return motors or with a manual handle.A sealing gasket can be used in cases where full sealing is required. Reviews Be the first to review this item There are no reviews yet