Airfree FIT800 Filterless Air Purifier, Small, White Recommended room size: 180 sq. ft. Filterless technology: No extra costs with replacement filters It is completely silent Small and portable 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. Independently tested in ISO laboratories around the world Airfree destroys mold, dust mites, bacteria, viruses, pollens, pet dander, organic odors and other organic allergens Reduces indoor harmful ozone levels Low energy consumption: 42 W Made in Europe Recommended for rooms up to 180 sq feet Environmentally-friendly technology, no ozone or ion emissions Mounts to the wall