Prices start at : 9.95 USD / 2.00 lbs
To 6 in.) 10-Inch (connects 10 in. Sizes: 6-Inch (connects 6 in. Use to connect mismatched diameters! Made of galvanized steel, these Air Duct Reducers and Expanders can be used with fans, ductwork, vented reflectors and cooling systems.