The air is clean.  Not only do SEBO vacuum cleaners clean the floor but they also enhance the air.  Dust seems to be more prevalent nowadays and a lot more people are starting to suffer from allergic reactions.  SEBO vacuums possess a 3-step filtration system consisting of a filter bag, a micro-hygiene filter and an exhaust filter.  They achieve demonstrable excellent filter results.  This is why, with a few exceptions, all SEBO machines carry the British Allergy Foundation Seal of Approval making a SEBO the perfect choice for people who suffer from allergies.