Product description
This 0.75in mesh 18in X 18in HY-C Stainless Steel Chimney Cover is made in the USA and backed by a lifetime warranty. The unique base design makes it less restrictive than most other caps. The corner mounting screws assure a tight secure fit even on less than perfect flue tiles. Fits outside tile dimensions from 16.5in X 16.5in up to 18in X 18in.