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BROAN RVK1A Black 4" Diameter Roof Ducting Kit
Black steel roof cap with built-in back draft damper and bird screen 4 diameter metal duct connector Two nylon zip ties 3 to 4 duct adapter 8 of 4 diameter flexible foil ducting conforms to UL 181 Class 1 Air Connector requirements Do not use for dryer venting For complete roof ducting installation of exhaust fans with 3 or 4 duct connector.
As low as $22.97 out of 4 sellers
User Review: Roof vent is easy to install but I replaced the plastic "claps" (wire ties) with 4"stainless steel hose clamps .
Best for: Home
78% of Reviewers recommended this product.