Active Air Backdraft Damper, 6 in

Product Details Made of galvanized steel, these dampers prevent air leakage into your fan setup. They are easy to install, fit directly onto the ducting, and prevent a backdraft of air when the fans are switched off. Specifications Units/pallet360 Package Dimensions6.8L x 6.6W x 4.1H Shipping Weight0.7 lbs. Barcodes10638104007815 (GTIN) 638104007818 (UPC-A)