Airfree P150 Filterless Air PurifierAirfree P150 offers quiet, maintenance free air sterilisation for larger rooms up to 60 square metres. It helps reduce common airborne triggers like allergens, mould, viruses and bacteria using patented heat based technologywithout filters, fans or noise. The unit runs silently and continuously, with no need to replace parts or clean anything. Its compact enough to fit neatly into a corner and uses only a small amount of energy, even when left on all