The Heaven Fresh Intelligent air purifier combines seven proven air purification technologies that effectively remove virtually all types of pollutants including dust, allergens, chemicals, cigarette and cooking smoke odours and micro-organisms. Intelligent unit is equipped with advanced sensor technology to monitor air quality. The multiple air inlet design enables maximum air flow through the unit, optimizing air-cleaning efficiency. The powerful fan (106 cfm) accelerates the air through the air outlet circulating purified air and millions of air-cleaning negative ions throughout the room. The NaturoPure™ HF380 covers 60 m (650 ft) which makes it suitable for large living rooms, dining rooms, family rooms and office areas.