Enjoy healthier, breathable air in your office or home. Featuring a space-saving tower design, this air purifier safely eliminates germs, viruses, bacteria and small particles from the air. Using a four-stage purification process that combines a pre-filter, a True HEPA filter, UV-C light with photocatalyst filter and ionizer, the purifier removes 99.97% of particles from the air. Great for those suffering from allergies, asthma or breathing issues, the purifier adjusts fan speed automatically when air particles are detected.