The FAMCO UC Universal Cap is an ideal replacement chimney cap made to fit single and multi-wall chimney pipe. The cap has a one piece hood that is removable to make cleaning easier and oversized storm collar to protect the chimney. This product is made to fit on the inside of a single or double wall pipe and is made approximately 1/16 inch under the actual pipe size. Quality constructed in 28 gauge Galvanized steel. The FAMCO UC Universal Cap comes in a range of diameters from 6 inch to 8 inch with a height of 11 inch. The FAMCO UC Universal Cap is manufactured by Famco in the United States and comes with a 1-year warranty against product defects and workmanship. If you have any questions about this product, please refer to the FAQs above or feel free to contact us by phone or email.