6719900 Adjust Chimney Flue Hole Cover for 4" to 8" Furnace Flue Hole

Chimney Flue Hole Cover 6719900 BM0026 BM0353 | Fits 4-inch to 8-inch flue pipe holes, adjustable to fit 5-inch, 6-inch, 7-inch and 8-inch chimney wall openings | The product is made of high quality steel, sturdy and durable, withstand long time use, can provide good protection and long life for your flue | The product can be used as a decorative plug cover for wood stove chimneys and vent stacks, which can not only block the cold air from entering the room and reduce the consumption of firewood, but also can be used as a decorative piece to beautify the room | Simple to install, it is an excellent replacement, reduces maintenance time, is suitable for a wide range of environments, both industrial and domestic, and is the ideal solution for different chimney sizes