DescriptionUse with 3" or 4" round duct. Has built-in back draft damper and bird screen. Galvanized steel. Baked enamel, black finish. FeaturesReviews0 Use with 3" or 4" round duct. Has built-in back draft damper and bird screen. Galvanized steel. Baked enamel, black finish. Size 3 In. or 4 In. Color Black Material Steel Write a review There are no reviews yet
