The Lasko?s Desktop Air Purifier is ideal for home, office or dorm room. This air purifier features a 3-stage filtration system, which includes a carbon filer, VOC filter and pleated filter. Features LED lit controls and an auto-off timer. Purifies the air in rooms up to 56 square feet. With a removable grill, it?s easy to clean and maintain. Replacement filters also available.