True HEPA, Allergen Reducer Air Purifier with Long-Lasting HEPA Filter, 50250 Fight allergens with the HEPA air purifier designed to capture them Every day, your home is under air attack from allergens. That's why you need this True HEPA air purifier designed to purify the air inside rooms up to 390 square feet. It captures up to 99.97% of microscopic allergens, 0.3 microns and larger, from the air that passes through the filters. Dust, tobacco smoke, pet dander, pollen and airborne bacteria and viruses are no match for this air purifier. Three cleaning levels or speeds and 360-degree air intake provide maximum efficiency, while a pre-filter removes large particles before they enter the HEPA filter, thus reducing odors and extending the life of the HEPA filter. True HEPA, Allergen Reducer Air Purifier Owner’s Guide Model: 50250 , 50100, 50150, 50200, 50300 13 used & new fromDetailsHoneywell Activated Carbon Prefilter FREE Shipping on orders over . 37.5 x 12.2 x 37.5 cm ;