Dr. Aeroguard HPA 500 Air purifier is a perfect blend of intelligent technology and powerful performance, crafted seamlessly to provide purified air that results in a healthier environment. A Product of superior aesthetic design and advanced science, Dr. Aeroguard HPA 500 sits comfortably in your room at home or at the office. Now feel more active and bid adieu to allergies and asthma by breathing in pure fresh and pollutant-free air.