NaturoPure Surround Air Multi-Tech XJ-3000E Air Purifier with HEPA/Caron/Pre-Filter and Germicidal UV lamp 5-Stage Air Purification technology effectively removes dust, bacteria, viruses, allergens, mould spores and odors to revitalize and refresh indoor air Has an Air Ionizer to remove allergens, bacteria, chemicals & other particles; Has an Anti-Bacterial Pre-Filter which extends the life of other filters by removing larger particles Has a Germicidal UV Lamp to destroy micro-organisms like germs, viruses, bacteria and mould Has a HEPA Air Filter which is 99.97% effective in removing particles such as dust and pet dander Has an Activated Carbon Filter to remove chemicals, gases, odours, cigarette and cooking smoke