DuraVent DuraTech All-Fuel Chimney Pipe Wall Thimble - For 8" Inner Diameter DuraTech: A venting pipe with an inner diameter of 8" is required for this unit. A Finishing Collar must be ordered separately for installation. Many times, in order to make your venting system as efficient as possible, you must run your chimney piping through a wall. The chimney pipe wall thimble from DuraTech fits walls 4" to 10" thick and is composed of galvanized steel for long life. This wall thimble comes with a limited lifetime warranty and is ideal for use with 8" chimney pipes. This wall thimble requires a finishing collar, which must be purchased separately.

Passes DuraTech chimney pipe through a wall* Fits walls 4" to 10" thick Galvanized steel construction Sleek black finish For use with 8" chimney pipes Limited lifetime warranty