Airfree P1000 Filterless Air PurifierThe perfect combination of the highly efficient TSS air sterilizing technology and the award-winning design of the Airfree P series. The P series also incorporates a smooth, adjustable, blue night light. Airfrees patented Thermodynamic TSS Technology destroys mold, dust mites, bacteria, viruses, pollens, pet dander, organic odors and other organic allergens. Airfree also reduces indoor harmful ozone levels. It is perfect for mold contaminated areas as well as asthma and allergy sufferers. Airfrees exclusive technology is completely silent and does not require any filters or maintenance.Filterless technology: No extra costs with replacement filters.It is completely silent.With exclusive Patented.Thermodynamic TSS Technology, Airfree applies the same concept as boiling water by using heat to destroy microorganisms and attains 100% efficiency at the Airfree air outlet.Dimensions: Diameter: 8.4 in / Height: 10.4 in