This is a great purifier that has been only lightly used. The website description: The 4-in-1 Air Purifier is perfect for allergy sufferers. With a HEPA filter, it captures 99.97% of dust and allergens as small as .3 microns in size! More than just a filter, the UV-C light kills germs, while the charcoal filter captures odors. Standing 28 inches tall, it is lightweight and ideal to use in rooms up to 167 sq. feet. The easy to use digital display panel includes UV-C control, a filter change indicator and an up to 8 hour timer. 5 speeds provide high speed allergen control down to ultra-quiet sleep mode. The Elite Collection provides both form and function to provide a superior air cleaning system. The simple, stylish design looks great in any home environment.