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Amazon.com: Builder's Best 084635 Galvanized Steel Roof Vent Cap with Damper & Removable Screen, 4" Diameter Collar, Black (Discontinued) : Everything Else
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Lambro Roof Cap for Range Hood Exhaust - Silver Aluminum - 7 Inch Round Vent - Spring Loaded Damper - Weatherproof Screen in the Range Hood Parts department at Lowes.com
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