Installation Requirements Install the hood so that the bottom of the unit is 24" from the cooking surface. Mounting height may be affect by ceiling height Convertible Ducted/Non-Ducted Installation Optional non-duct kit with a recirculating air filter is available for indoor exhaust recirculation Pyramidal Chimney Telescopic flue extensions can accommodate 8ft - 9ft ceilings with optional extensions available to accommodate ceilings from 9ft - 10ft. 600 Lumen LED Powerful 5.5 LED lighting ensures bright, long lasting illumination with 25,000 hour service life Capacitive Touch Controls Tap-touch three-speed controls features smooth and easy to clean surface Dishwasher Safe Filters Deluxe filters feature quick-release latch for easy removal and replacement Stainless Steel Stainless steel construction offers sleek and sophisticated design perfect for any modern kitchen and is easy to clean