Product review (5 stars): Excellent exhaust hood. Great price.
Well, installed it 5 months ago and it works perfectly. Really quiet. But of course, you have to make sure that it's mounted properly, so vibration from engine won't pass to the metal components. The metal is good, touch panel and LED lights are working perfectly.

P.S. Honestly, I don't understand, why piece of sheet metal, motor, 2 LED's and touch panel may cost $600 or more. $200 - $300 is the maximum adequate price you may expect to pay for the exhaust hood.