The finish is a sleek black. Fits 4" to 10" thick walls. A limited lifetime warranty is provided. Construction is made of galvanized steel. To be used with chimney pipes that are 6" in diameter. DuraTech chimney pipe is passed through a wall. A vent pipe with a 6" inner diameter is required for this unit. A Finishing Collar must be ordered separately for installation. DuraTech's pipe wall thimble makes passing chimney piping through the wall of your room a breeze! This model of all-fuel chimney pipe wall thimble is suitable with 6" pipes and 4" and 10" walls. This pipe wall thimble is made of galvanized steel and comes with a limited lifetime warranty. It not only makes piping easier, but it also provides quality support for your chimney.

Sleek black finish Fits walls 4" to 10" thick Limited lifetime warranty Galvanized steel construction For use with 6" chimney pipes Passes DuraTech chimney pipe through a wall