Used in the connection of two fossil fuel burning units to a single chimney.
Equivalent length 25'.
4 x 3 x 3 packed 36 per box.
5 x 4 x 4 / 6 x 3 x 3 / 6 x 4 x 4 / 30 per box.
4 x 4 x 4 5 x 4 x 3 6 x 5 x 5 7 x 4 x 4 24 per box.
7x 5 x 5 7 x 6 x 4 7 x 6 x 5 8 x 6 x 4 18 per box.
Sizes 6" x 6" x 6", 7" x 6" x 6", 7" x 7" x 5", 8" x 6" x 5", 8" x 6" x 6", 8" x 7" x 4", 8" x 7" x 5" packed 12 per box.
Sizes 8" x 7" x 6", 8" x 7" x 7", 8" x 8" x 6", 8" x 8" x 8", 9" x 8" x 4", 9" x 8" x 5"; packed 10 per box.
Sizes 9" x 7" x 5", 9" x 7" x 6", 9" x 7" x 7", 9" x 8" x 6", 9" x 8" x 7", 9" x 8" x 8", 10" x 6" x 6", 10" x 8" x 6"; packed 8 per box.
Size 10" x 8" x 8" packed 7 per box.
Sizes 10" x 10" x 6", 10" x 10" x 7", 10" x 10" x 8", 10" x 7" x 7", 10" x 8" x 7", 10" x 8" x 8", 10" x 9" x 4", 10" x 9" x 5", 10" x 9" x 7", 10" x 9" x 8", 10" x 9" x 9", 12" x 10"x 6", 12" x 10"x 7", 12" x 10"x 8", 12" x 12" x 8", 12" x 9" x 7", 12" x 9" x 8"; packed 6 per box.
Sizes 12" x 12" x 6", 12" x 8" x 8", 12" x 9" x 9"; packed 4 per box.
Sizes 12" x 10" x 10", 12" x 10" x 9", 12" x 10" x 10", 14" x 10" x 8"; packed 3 per box.
Sizes 12" x 10" x 10", 14" x 10" x 10", 14" x 12" x 10", 14" x 12" x 6", 14" x 12" x 7", 14" x 12" x 8", 14" x 12" x 9", 14" x 14" x 8", 14" x 14" x 10", 14" x 14" x 12", 14" x 8" x 8"; packed 2 per box.
Sizes 14" x 12" x 12", 20" x 18" x 18"; packed to order
