The powerful, high-efficiency motor of the Austin Air HealthMate Jr. air purifier can easily clean a room measuring up to 700 square feet. Benefiting from the 360 degree progressive filtering system, this Austin air purifiers four stage process gives you cleaner, purer air. The centrifugal fan of this Austin Air HealthMate Jr. HEPA filter air sanitizer has a three speed control switch for optimum performance. All steel with baked-on powder coat finish of this Austin air purifier makes it very durable. The technology used in this HEPA filter air sanitizer can easily viruses, bacteria, smoke, odor, and more. The Austin Air HealthMate Jr. has a high-efficiency shaded pole motor rated for continuous high RPM and long life duty.