Flue Liner - Pot Hanging Cowl With Mesh - Round - Strap Fix - TerracottaUsed to suspend a flexible liner from the top of a chimney pot. Easy to install means less time on the roof No need for a Top Plate, Sleeve and Clamp This product is not designed to be used with a twin wall installation or with a single skin stove pipe. A flue liner is a component of a chimney that serves as a protective lining, providing a channel for the passage of combustion products, such as smoke and gases, from a fireplace, stove, or furnace to