This Dimplex air purifier has been specially designed to improve the quality of your indoor air, reducing the presence of polluting agents such as dust, cigarette smoke, unpleasant odours, spores, bacteria, pollen, dust mite residues and even pet dander. Enviro-neutralising technology, attacks and neutralises the harmful impurities. The negative ions produced by the Viro technology, are like those which can be found in large quantities in uncontaminated areas in nature, near waterfalls, beaches and in the mountains. Suitable for room size up to 28m. Quiet operation. 2 speed settings. HEPA filter. Filter included. CADR rating smoke 80. CADR rating pollen 89. CADR rating dust 78. Size H33, W25, D13cm.