Kobe RA9230SQB6XX Mounted on Wall. Premium RA92 SQB6-XX Series Wall Mount Range Hood 680 CFM Baffle Filters Led Lights. KOBE Range Hood CH22 Series is a hands-free fully auto range hood and compatible with all brands of gas ranges. The flame and temperature sensor automatically turns on and adjust the fan speed while cooking and turns it off after cooking. Available as under cabinet or wall mount with optional duct cover. Other features include ECO Mode technology, delay shutoff and 3-level lighting. Our exclusive ECO Mode uses very little power to turn the fan on at QuietMode for 10 minutes every hour to refresh the air. 6 Inch Round Duct.