Includes a Filtrete™ True HEPA Filter. 158 smoke CADR (Clean Air Delivery Rate). Replace your filter every 6 months (Based on 12 hours of operation per day). Particles captured include dust, lint, dust mite debris, mould spores, pollen, pet dander, smoke, smog, bacteria, viruses, PM 2.5, exhaust particles, and ultrafine particles. Soft touch controls allow easy and effective usability. Built in electronic filter change light indicator, will turn on when a new filter is needed so you never miss a filter change. 3 fan speeds. For residential use only. Is complete with the latest advances in air filtration technology to improve your indoor air quality. The Filtrete™ Room Air Purifier is equipped with soft touch controls and includes a Filtrete™ True HEPA Filter, which is 99.97% effective at capturing airborne particles as small as 0.3 microns (Initial efficiency value). Sold by each. Black.