The device is not bad thought, is working properly, but unfortunately the enclosur is extremely thin and shaky, I am worried that it will not withstand more than a year. For the price is much too expensive! Especially since I read here many similar experiences, it seems to me that this product is really very short-lived, a shame !!
A big minus is that the black shutter constantly lößt black pulverfomrige things out that are tiny, they stick to the external thread on the bottle input or fall sometimes into the water, really questionable whether it is harmful. It ultimately comes from the thread in the closure.
