for the money, the quality is ok. The switches we made something very cheap, and the exhaustion of the telescope surface, does not increase the suction. Not rendered or otherwise, the power will not turn what is the real meaning of the extendable glass surface in question because undressed brings a the surface not much! The filter for the recirculation system are not there and it is a no service no. called, where you could buy them. What the big recesses in the side walls, is not well explained, if necessary, they must be sealed with duct tape. It would be useful to set more extensive imagery here for sale, so you can better estimate how high the workload for installation in most existing kitchen cabinet fails. Who is slightly higher claims, should take more money in the hands.