Active Air Backdraft Damper, 8 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 Shipping Weight1.0 lbs. Units/pallet360 Package Dimensions7.8L x 7.8W x 3.8H Barcodes10638104007853 (GTIN) 638104007856 (UPC-A) Diameter8