Therapure HEPA Air Purifier : The Therapure HEPA type 201M has a triple action air purification system. The permanent HEPA type filter removes smoke, pollen and dust. The UV germicidal light destroys/kills airborne germs, viruses, bacteria and mold spores. The photo catalyst filter reduces toxic paint fumes, household chemicals and indoor air pollution. Removes allergens and pollutants. Powerful 3-speed fan designed for whisper-quiet purification. Low power consumption. Powerful enough to clean medium to large rooms. One year limited warranty.