UL Listed Insul-Flue Insulated Thimble - Wall Unit

Use this thimble when you need to pass through a combustible wall and into a masonry chimney. There are two parts to this unit; the wall unit and the thimble. This Insul-Flue requires a 15" or 17" square opening for use with 6" or 8" diameter pipe. When ordering, make sure to order both the wall unit and thimble for complete installation.

Description:
6" WALL UNIT
7" WALL UNIT
8" WALL UNIT

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