NaturoPure HF 300E Multiple Technologies Air Purification System An Air Ionizer to remove allergens, bacteria, chemicals & other particles A Germicidal UV Lamp to destroy micro-organisms like germs, viruses, bacteria and mould A HEPA Air Filter which is 99.97% effective in removing particles such as dust and pet dander An Activated Carbon Filter to remove chemicals, gases, odours, cigarette and cooking smoke An Anti-Bacterial Pre-Filter which extends the life of other filters by removing larger particles