Enviracaire HEPA Air Purifier w/Carbon Pre-Filter, 374 sq ft Room Capacity
True HEPA™ filter removes 99.97% of all airborne particles as small as 0.3 microns, including pollen, dust, smoke and other sources of indoor allergens. Activated carbon pre-filter reduces odors. Patented 360° airflow and Surround Seal™ maximizes efficiency. Includes LifeTime HEPA™ filter system and Intelli-Clean™ electronic filter monitor to remind you when to clean the LifeTime™ HEPA™ filter and to replace the pre-filter. Air Cleaner Machine Type: HEPA; CADR: 250; Maximum Room Size (Square Footage): 374 sq ft; Maximum Room Size: 17 ft x 22 ft.