Photo 1 of 3 in. to 4 in. Roof Vent Kit for Round Duct Steel in Black PREVIOUSLY OPENED, MISSING COMPONENTS, PARTS ONLY PLEASE SEE PHOTOS

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Photo 1 of 3 in. to 4 in. Roof Vent Kit for Round Duct Steel in Black PREVIOUSLY OPENED, MISSING COMPONENTS, PARTS ONLY PLEASE SEE PHOTOS Photo 2 of 3 in. to 4 in. Roof Vent Kit for Round Duct Steel in Black PREVIOUSLY OPENED, MISSING COMPONENTS, PARTS ONLY PLEASE SEE PHOTOS Photo 3 of 3 in. to 4 in. Roof Vent Kit for Round Duct Steel in Black PREVIOUSLY OPENED, MISSING COMPONENTS, PARTS ONLY PLEASE SEE PHOTOS