masterblai7 months ago000Has your suction power also decreased significantly over time? If I set it to maximum suction power, it reduces itself to minimum within a few seconds and I can no longer turn it up.Show in original language (German)GlasierterRobobert397 months ago • purchased this product000purchased this product Helpful answerYou have to change the filter at the top or blow it out, then it will work againShow in original language (German)Comment1 comment