GermGuardian 4-In-1 HEPA Air Purifier for Home, Large Rooms Up To 743 Sq. Ft. with HEPA Air Filter, UC-V Light Odor Reduction, AC4825E, 22" Tower, Black About this item HEPA Filter Air Purifier: Equipped with a protective True HEPA (High Efficiency Particulate Air) filter, this large room air purifier efficiently captures 99.97% of particles as small as 0.1 microns, trapping allergens like dust, pollen, and pet dander A Breath of Fresh Air: A must-have air cleaner for homes, apartments, offices, and dorms, this zero-ozone-certified GermGuardian air purifier uses Ultraviolet - C (UV-C) tech to reduce airborne contaminants, so you can enjoy cleaner, fresher air Home-Focused Filtration: An ideal air purifier for bedrooms and living spaces, this powerful home air purifier circulates and filters the air in small (153 sq. ft.) rooms 4.8x per hour and in large (743 sq. ft.) rooms every hour Reliable Room Deodorizer: Equipped with an activated carbon filter, this air purifier (HEPA) traps and absorbs volatile organic compounds along with dust, pet hair, and other large particles, effectively reducing odors from smoking, cooking, and pets Designed and Independently Tested in the USA: Our units are among the best air purifiers for home use; Designed and engineered in the USA, they are ENERGY STAR CERTIFIED, CARB (California Air Resource Board) Certified, ETL Certified and Zero Ozone Verified From the manufacturer GermGuardian 22" Tower Air Purifier with HEPA Filter and UV-C