HOW IT WORKS: Our patented Thermodynamic TSS technology uses heat to remove allergy causing microorganisms. Purify your room by getting rid of mold, dust mites, bacteria, pollen, ozone, and pet dander COMPLETELY SILENT: TSS filterless technology allows our air purifier to run noise-free during the purification process. Requires no air filter and is ideal for bedrooms and helps provide restful sleep FILTER FREE TECHNOLOGY: Designed for high efficiency function with low energy consumption. The Eco friendly T800 requires no extra costs for filters, replacement parts, cleaners, or maintenance SMART DESIGN: With a compact modern design, Airfrees T model is ideal for small rooms. This portable air purifier takes up minimal space while delivering quality performance and efficiency SAFE: Independently lab tested in the USA, Sweden, and Germany. Our purifier is safe for pets and kids. Doesn't emit ions, UV light, or other harmful wastes back into the air providing 26% ozone removal