GSA - Gesellschaft für Schadstoffanalytik mbH as experts for analyzes of particulate matter in TV article of the TV channel RTL (from minute: 5:07)
Could it be that vacuum cleaners, which we do not properly care for, make our homes much more hideous than clean them?
See RTL's TV report on the results of the GSA-rated particulate analysis. The report shows that particulate matter from vacuum cleaners can be quite dangerous.
You can see how possible fine dust ejectors "vacuum cleaners" can be made cleaner again.