Built-in backdraft damper and bird screen keep out unwanted outside air and critters
Detailed Description: Broan Nu-Tone Roof cap in black color measuring 6-1/4 Inch x 4-3/8 Inch is made of 24 gauge CRCQ steel with baked enamel finish for durability. It has built-in back draft damper and bird screen and is used for 3 Inch or 4 Inch duct. Cap has flange measuring 10-1/4 Inch x 11 Inch and is used for vent terminations.
|Catalog Description||Steel Roof Cap for 3" or 4" round duct. Black|