Bissell Air400 HEPA Air Purifier

This air purifier purifies air in large rooms, filters the air in large to medium rooms, and has a 3-stage filtration system. It is certified to filter the air in rooms 485 sq. ft. 4.8 times per hour, or about once every 12 minutes. Price drops from $360.49 to just $138.99 w/ free shipping.