This Honeywell HEPA Air Purifier console helps provide cleaner, fresher air in medium rooms of 155 square feet. Designed for medium sized rooms, this Honeywell HEPA Air Purifier is energy efficient, compact and effective. Featuring HEPA filtration, this air purifier has been engineered to help capture up to 99.97% of the following microscopic airborne allergens and particles: dust, pollen, pet dander, dust mite debris and smoke¹. For best performance, use only Genuine Honeywell air purifier filters.