Chimney Cap Size Fits Outside Flue Width of Fits Outside Flue Length of Screen Mesh Height
8" x 8" 6" - 8 1/2" 6" - 8 1/2" 8"
8" x 13" 6" - 8 1/2" 11 1/2" - 14' 8"
8" x 17" 6 1/4" - 8 1/2" 16 1/2" - 19' 8"
9" x 22" 6 1/4" - 8 1/2" 19" - 21 1/2" 8"
9" x 28" 6 1/4" - 8 1/2" 25" - 27 1/4" 8"
12" x 12" 10" - 12 1/2" 10 1/2 - 13 8"
12" x 16" 10 1/2" - 13" 14 1/2" - 17" 8"
13" x 13" 11" - 13 1/2 11 1/2" - 14" 8"
13" x 17" 11" - 13 1/2" 16 1/2" - 19" 8"
15" x 15" 14" - 16 1/2" 14 1/2" - 17" 8"
17" x 17" 16" - 18 1/2" 16 1/2" - 19" 8"