Superior Firestop Thimble for 12" Standard Wood Burning Chimney 44in ensuring durability and long-lasting use

ensuring durability and long-lasting use

7 Inch Diameter

For use with fire pits larger than 25 inches

Shepherd's crook handles

Superior Firestop Thimble for 12" Standard Wood Burning Chimney 44in ensuring durability and long-lasting useFMI 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