8" Insul-Flue Insulated Thimble - 80100808
This insulated thimble is used to pass through a combustible wall into a masonry chimney. This is the thimble only, and you need one thimble cover assembly per installation into the room.
WARNING: Carcinogens: This product can expose you to chemicals including Lead, which is [are] known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.