Universal Chimney Caps fit a huge variety of flue tiles. From round and oval to square and rectangle flue tiles. This cap features very effective mounting system that grabs the inside of the flue. A great mounting option for when the flue tiles don't extend above the chimney crown. It's 5/8" spark arrestor animal proof mesh conforms to California codes. Available in five stock sizes. Also available in copper. Please email us for a price quote. Custom sizes are not available in this model chimney cap. Made in the USA. 13 x 13 Universal Chimney Cap Regular price: $69.95 Sale price: 13 x 18 Universal Chimney Cap Regular price: $79.95 Sale price: 13 x 21 Universal Chimney Cap Regular price: $85.95 Sale price: 18 x 18 Universal Chimney Cap Regular price: $89.95 Sale price: 21 x 21 Universal Chimney Cap Regular price: $99.95 Sale price: Copyright © 2012 Chimney Depot Inc. All rights reserved. Call Us @ 1-702-483-1587