This mini air purifier is the chemical free solution to those horrible lingering smells of last nights cooking or take away simply plug it into a 3 pin wall socket and it will help the odours disappear there are no fiddly filters to replace and it costs only a few pence a day to run it operates silently generating activated oxygen and negative ions to remove airborne pollutants such as odours and dust most of the particles are magnetised and trapped on its easy clean metallic ionisation