Processing is not the best (ie, at 559 they would again declined) but for 179 absolutely appropriate.
Design really very good!
Packaging is optimal and shipping with Hermes Einrichtungsservice on Amazon worked perfectly (thanks to the Hermes people!)
Most of them are in the air and we have operating in recirculation mode - I find or internal recycling it runs great.
The volume I find no louder for the engine adequately and in comparison to our old exhaust hood.
The chimney at the ceiling is a bit too thin in sheet so that you can see it vibrate against the light, but it rattles nothing.
I think is missing here is still a connection between the lower and upper chimney (self released).
Why only 4 stars.