Air King NAVSE Navarra Series 33.5-Inch Stainless Steel Chimney Extension 33.5-inch stainless steel chimney extension For use with the Air King NAV36SS 36-Inch Navarra Chimney Style Range Hood Provides an additional 33.5-inches of length to the chimney For ceilings higher than the standard 8-foot Comes with a 1-year limited warranty Stainless steel It is used to provide additional 33.5-Inches of length to the chimney 1 Year parts only warranty