Imperial Roof Vent Cap, Commercial Grade with Damper & Animal Screen, 4 In. | Tarzian Hardware
Active Ventilation 4 in. Dia Aura PVC Vent Cap Exhaust with Adapter for Schedule 40 or Schedule 80 PVC Pipe in White AV-4-PVC-WT - The Home Depot
Vent Systems 4" Inch Round Roof Vent Cap Galvanized Metal for All Weather Conditions Top Round Exhaust Cap with Rubber for Perfect Insulation Vent Cover - Chimney Cap 100 mm - Amazon.com
Oatey 3-in to 4-in x 4-in PVC Vent and Pipe Flashing in the Vent Pipe Flashing department at Lowes.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
Active Ventilation 4 in. Dia Aura PVC Vent Cap Exhaust with Adapter for Schedule 40 or Schedule 80 PVC Pipe in Mill Finish AV-4-PVC - The Home Depot
Active Ventilation 4 in. Dia Aura PVC Vent Cap Exhaust with Adapter for Schedule 40 or Schedule 80 PVC Pipe in Black AV-4-PVC-BL - The Home Depot
4 in. Galvanized T-Top Roof Vent, Standard Base
Roof Cap - Stainless Steel - 4 Inch | Luxury Metals
Roof Vent - Galvanized - 4 Inch with Screen Group Product | Luxury Metals
Master Flow 4 in. Vent Cap VC4 - The Home Depot
4 inch Roof Jack | RBV-4-C4-TP | 4 inch Diameter 4 inch collar