Product Info Catalog Plumbing Stove Pipe & Chimney Pipe Roof Cap, Round, Aluminum, 4-In. Roof Cap, Round, Aluminum, 4-In. Request a Quote UPC: 39899001096 SKU: 753327 Model Number: 109R 4", round aluminum roof cap, with damper & screen, fits 4" diameter duct, 1-3/4" flange, not designed to be used for dryer exhaust.
