Adjustable Stainless Steel Single Flue Masonry Square Chimney Cap, 8 1/2 x 8 1/2
Chim Topper Stainless Steel Square Chimney Cap, Model ST, Fits from 7" x 7" - 9 1/2" x 9 1/2". Minor blemishes from storage, has very light spot surface rust on welds, see photos.