![Amazon.com: Builder's Best 012633 Galvanized Steel Roof Vent Cap with Damper & Removable Screen, 6" Diameter Collar, Black (Discontinued) : Everything Else Amazon.com: Builder's Best 012633 Galvanized Steel Roof Vent Cap with Damper & Removable Screen, 6" Diameter Collar, Black (Discontinued) : Everything Else](https://m.media-amazon.com/images/I/71tNwo2bdAL.jpg)
Amazon.com: Builder's Best 012633 Galvanized Steel Roof Vent Cap with Damper & Removable Screen, 6" Diameter Collar, Black (Discontinued) : Everything Else
![4 Inch Round Roof Rain Cap HVAC Vent Galvanized Steel All Weather Chimney Cap Roof Top Round Roof Vent with Rubber Gasket for Perfect Insulation Vent Cover (4'' Inch) - Amazon.com 4 Inch Round Roof Rain Cap HVAC Vent Galvanized Steel All Weather Chimney Cap Roof Top Round Roof Vent with Rubber Gasket for Perfect Insulation Vent Cover (4'' Inch) - Amazon.com](https://m.media-amazon.com/images/I/71Yl0DIXepL.jpg)
4 Inch Round Roof Rain Cap HVAC Vent Galvanized Steel All Weather Chimney Cap Roof Top Round Roof Vent with Rubber Gasket for Perfect Insulation Vent Cover (4'' Inch) - Amazon.com
![Amazon.com: Vent Systems 4" Inch Round Chimney Cap Galvanized Steel for All Weather Conditions Top Round Exhaust Cap with Rubber for Perfect Insulation Roof Vent Cap Vent Cover 4 Inch 100 mm : Amazon.com: Vent Systems 4" Inch Round Chimney Cap Galvanized Steel for All Weather Conditions Top Round Exhaust Cap with Rubber for Perfect Insulation Roof Vent Cap Vent Cover 4 Inch 100 mm :](https://m.media-amazon.com/images/I/81OSBQCydrL.jpg)