Discover the Smart way to breathe better air at home. The Homedics Smart Air Purifier T200 features 4-in-1 purification designed to keep the air in large rooms up to 324 sq. ft. clean and comfortable. The stylish tower design adds an attractive flourish to your decor and houses True HEPA filtration, UV-C technology, and a whole host of other features to help you protect your air at home and enjoy every inhale. *Removes up to 99.97% of airborne particles as small as 0.3 microns from the air that passes through the filter media. **Reduces E. coli bacteria, Phi-X174 virus, A. niger mold, and P. citrinum fungus in the air with UV-C on. Shown by independent laboratory testing. ***Reduces formaldehyde and toluene in the air as shown by independent laboratory testing. Reduces common household odors such as pet, bathroom, laundry, diaper pail, cooking, and smoke as shown by independent laboratory testing. Air changes per hour are based on measured smoke CADR volume flow rate and 8-foot ceilings. Usage based on 12 hours per day for 365 days.