Fulton 1F-72 Flue Stopper, 4 to 8 in Flue Hole, Steel, Yellow (Pack of 12)

This decorative Flue stop Cover made from galvanized steel is for covering up a fireplace flue that is no longer in use. Its attached spring strap makes it easy-to-use for both wall and ceiling flue openings. Two sizes are available 8-3/16 in Dia and 9-5/8 in Dia.