Make sure to take a few measurements and plan ahead to make the extension can be fitted. ADJUSTABLE DESIGN: Features an adjustable upper and lower duct cover to fit ceilings up to 9 ft . EASY INSTALLATION: Comes with mount brackets for simple installation directly to the wall above your cooking area. STYLISH APPEARANCE: The stainless steel chimney cover enhances any kitchen decor and maintains an attractive appearance when in use. THOROUGH CLEANING: Its smooth surface makes this ducting easy to wipe clean and keep free of grease and residue buildup. DURABLE CONSTRUCTION: Made of stainless steel, this range hood extension duct is resistant to high temperatures, rust and corrosion for long lasting performance.