Air free Filter less Air Purifier: This patented Thermodynamic TSS Technology destroys mold, dust mites, bacteria, viruses, pollens, pet dender, tobacco and other organic allergens. Air free also reduces indoor harmful ozone levels. It is perfect for mold contaminated areas as well as asthma and allergy sufferers. Airfree's exclusive technology is completely silent and does not require any filters or maintenance. Just plug it in and let it do the job. Airfree's awarded design perfectly fits your home decor. Specially developed for smaller rooms. The T800 offers the sameåÊperformance and efficiency as other Air free series. This unique and elegantåÊdesign will not compromise essential space in any room.