Covers up to 1200 sq ft area and comes with washable pre-filter that catches large particles and pollutants. The twin HEPA filter removes dust, pollen, smoke and any other contaminants in the air. The HEPA filters help trap larger particles in the air that would otherwise be too strenuous for most filter systems. The Powerful UV germicidal lamp destroys micro-organisms such as germs, viruses, fungi (such as mold) and bacteria. The benefit of the four different filtration systems and two fan speeds help cover you from allergens, dust, and various contaminants in the air. The Negative ion generator outputs of 3 million/cc to neutralize floating dust and is suitable for bedrooms, offices, clubs and hotels. The Model H is very convenient with and a 1, 2, 4 and 8 hour timer. Light enough to be hung to a wall, and small enough to sit on your desk, this air purifier also comes with the convenience of a remote control to adjust setting from a distance. Buy this product and Get Free Shipping on a HEPA Active Carbon Filter Negative Ion UVC Lamp Air Purifier w/ Remote Control & 1 Year Warranty for $122.99 at Rakuten.com, a $176.01 Savings!