Firstly, the silly LED warning: unnecessary electronic gadgets, also you have to remove the display, if you want to clean the water tank. Lets you display the same completely gone (like me), you have a "hole" that looks ugly after a short time (calcified ...). On the other hand, the container fits -bedingt only held at an angle and with gefummele under the tap (a normal Küchenwasserhanh on a normal kitchen sink). By the Bauhöhe-
The filter result is good. Whether anything passes the filter or not, does not matter - it is not to waste water, which must be filtered, but to tap water, which is to be decalcified.