When maintaining the air quality of large rooms, meeting halls & other shared spaces, don't leave protection to chance. With Fellowes AeraMax SE, you won't have to. Providing H13 True HEPA Filtration for areas up to 915 square feet, AeraMax SE captures 99.95% of particles as small as 0.1 microns including visible airborne particles, pet odors, allergens, smoke, & volatile organic compounds (VOCs). AeraMax SEs powerful, variable-speed fans are designed to keep air circulating within larger rooms, delivering 3 Air Changes Per Hour with ultra-quiet operation. And thanks to active air quality monitoring from the AeraSmart Sensor, fan speed automatically adjusts to meet purification demands. Air Cleaner Machine Type: True HEPA / Carbon; CADR: 366.1; Maximum Room Size (Square Footage): 915 sq ft; Maximum Room Size: 30 ft x 30.5 ft.