The FAMCO UCSS 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 26 gauge Stainless steel. The FAMCO UCSS Universal Cap comes in a range of diameters from 6 inch to 8 inch with a height of 11 inch. The FAMCO UCSS 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 anyquestions about this product, please refer to the FAQs above or feel free to contact us by phone or email.