The design of this air purifier was inspired by a classic wood speaker shape. The 12,000 perforated holes on the front fulfil both an aesthetic and a functional purpose: by using the front absorption method, the overall size of the unit could be reduced, compared to similar devices, and the surface for cleaning widened by 25 per cent at the same time. The front colour LCD indicates air quality with colours and words (very good/good/poor/very poor).