Performance 24" depth extends capture area to ensure removal of smoke and odor Select the precise fan speed needed with four different settings Automatic mode detects temperatures to adjust fan speed automatically 10-min delay shut off ensure lingering odor do not interrupt a course Check filter reminder light illuminates after 40 hours of operation Powerfully Quiet® blowers sold separate and needed to complete install Remote or inline blowers to reduce noise, integral for top performance 10" round duct discharge Design Design match to Thermador Professional Series ranges and range tops Sleek, smooth touch control make cleaning easy with a damp cloth Beautiful illumination with white multiple level LED lighting Dishwasher-safe stainless steel, commercial-style baffle filters 6" tall duct cover accessory available, sold separate 18"-35" tall telescopic duct cover accessory available, sold separate 42"-59" tall telescopic duct cover accessory available, sold separate Built-in remote control panel accessory available, sold separate