The Winflo Stainless Steel Chimney Extension is designed to extend up to 11 ft. to reach high ceilings, providing a safe and efficient solution for chimney installation. Made of durable stainless steel, this chimney extension is compatible with the WR003xxx model and is ideal for use in home improvement projects involving heating and cooling systems. With its reliable brand reputation and high-quality material, the Winflo Chimney Extension is a essential component for ensuring proper ventilation and functionality of your fireplace or stove.