FMI/Superior Wood Fireplace Firestop Thimble for 12 Inch Chimney Pipe. Only FMI/Superior Chimney Wood Fireplace Chimney Liners and Chimney Liner Accessories are approved for use with FMI/Superior Wood Fireplaces. They are UL approved and are not for use with any product other than FMI/Superior Wood Burning Fireplaces.

What's Included

• Firestop Thimble

Features

• Includes Thimble only
• This is used in conjunction with FS-10 fire stop.
  
• For use with Superior 12" Standard Wood-Burning Chimney (12 3/8" Inner Diam. - 15" Outer Diam)

Specifications