Wall ducting kit White wall cap for 4" round duct Includes four mounting screws Engineered resin material for impact and UV resistance Weighted hood guards against wind or birds 4" diameter metal duct connector Two nylon zip ties 3" to 4" duct adapter 5′ of 4" diameter flexible foil ducting conforms to UL 181 Class 1 air connector requirements Length: 11 Width: 7 Height: 7
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