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. Airfree destroys mold, dust mites, bacteria, viruses, pollens, pet dander, organic odors and other organic allergens Reduces indoor harmful ozone levels Cats and dogs: Airfree's totally silent operation destroys mold spores that also cause mold related diseases and allergies to cats and dogs, while destroying at the same time pet allergens that affect owners. Reduces Ozone: Airfree air purifiers reduce 26% of harmful and corrosive Ozone. No ions used or generated. Designed for placement on floors or low furniture No Loss on Air Sterilizing efficiency: The TSS ceramic core maintains its 100% air sterilizing efficiency regardless of usage duration, thanks to the self-cleaning nature of the heated ceramic core's mini ducts. Low energy consumption: 52 W Made in Europe