If you've got a high ceiling, the Best telescoping flue extension is a must-own accessory for your Best Ispira WCB3 chimney range hood. Designed for ceilings of 9 feet or 10 feet, this sleek extension conceals the duct to give your kitchen a clean, beautiful look. The black stainless-steel construction makes this accessory highly durable. | Best Telescoping Flue Extension for Ispira WCB3 Range Hood (AEWCB3BLS) - Black Stainless