CLEANER AIR CAN BE YOURS; The Filtrete Air Purifier device and its filter help reduce airborne particles in the air you breatheINCLUDES A TRUE HEPA FILTER that captures 99.97% of airborne particles you can’t see (as small as 0.3 microns from the air passing through the filter media; Initial efficiency value)PARTICLES CAPTURED include dust, lint, dust mite debris, mold spores, pollen, pet dander, smoke, smog, bacteria, viruses, PM 2.5, exhaust particles, and ultrafine particlesCLEANS LARGE ROOMS up to 250 square feet with a smoke Clean Air Delivery Rate of 158BUILT IN ELECTRONIC FILTER CHANGE INDICATOR on the control panel will turn on when a new filter is needed so you never miss a filter changeSOFT TOUCH CONTROLS help you easily change fan speeds, set a run timer, dim the control panel lights, and reset the filter change indicatorREPLACE YOUR FILTER EVERY 6 MONTHS with the Filtrete Premium Allergen, Bacteria & Virus True HEPA replacement filter, F2 size (based on 12 hours of use per day)