Kendal Ozone Ionizer Cleaner Ionic Air Purifier Clean Air 300/A Multiple purification process: Negative ion +Ozone plates. Adjustable fan speed control. Made of stainless steel and solid beautiful cherry color wood cabinetry. Washable and replacable Ozone plates. Covers up to 3,500 square feet of space. Ozone Plate: Reacts with, and breaks down, the organic compounds typically behind most odors. A needlepoint ionizer to drop dust, smoke and other harmful particles from the air we breath. Compact and portable. Energy saving, only consumes 20 watt power. Rated power: &lt;= 40 watts. One year warranty.