Perfect for small rooms. Air purifier effectively reduces allergens, pollution, smoke and odors, while the UV light helps reduce airborne germs & bacteria. Photocatalyst filter helps reduce fumes and chemicals. Air Cleaner Machine Type: HEPA Type; CADR: 50 (smoke); 50 (dust); 65 (pollen); Maximum Room Size (Square Footage): 70 sq ft; Maximum Room Size: Small Rooms.