Just wonderful, the Kleene! At Virgin we run nicely put all the chairs and tables etc. Coach upwards. He has wonderful the cleaned approx 65sqm without getting stuck somewhere. The battery was apparently exactly then empty. Then like clockwork rolled to the charging station. Little Trick (from a Forum) to facilitate the exchange of the filter delay: a Kleenex in the middle and cut in the individual layers decompose. A situation now in before the filter terminals, or cut the protruding edges -reißen. After cleaning run then the dust container together Tempovorfilter empty.