Product Info Catalog Plumbing Stove Pipe & Chimney Pipe Tite Fit Dryer Venting Duct With Transition Fitting, Straight, Aluminum, 2 x 6-In. Tite Fit Dryer Venting Duct With Transition Fitting, Straight, Aluminum, 2 x 6-In. Request a Quote UPC: 39899030089 SKU: 753418 Model Number: 3008 Tite fit, aluminum straight dryer venting duct with transition fitting, 2" x 6" rectangular duct, to fit 4" round duct.