The PureMate PM-510 Air Purifier and Ioniser is quiet, easy to use and maintain with its unique 5-stage filtering technology, it can cover a wide majority of pollutants. The pre-filter uses an activated carbon to trap larger particles found indoors such as dust, lint and hair. It has a carbon layer which efficiently eradicates odours stemming from household pets, cooking and tobacco smoke. A true HEPA filter has to meet strict standards which involve being able to collect 99.97% of airborne particles as little as 0.3 microns like dust mites, mould spores and pollen. Also featuring air filtration, this uses UV-C light. The technology works to help kill airborne viruses, bacteria, mould spores, and with titanium dioxide (TIO2), decomposes odour. It also helps to ease depression including winter depression. It eliminates most tiny particles and the air will actually smell fresher because of the Ionizer. The purifier has 5 fan speed settings available, when set on low, the unit is impres