NATURAL ODOR PURIFICATION: Ozone breaks down in about 30 minutes and it is a natural oxidizing agent to destroy smoke stink, strong cooking smells, pet urine odors, musty closets, moldy spaces, etc. This powerful high end ozone air purifier uses Washable ceramic ozone plate, and Ionic that remove mold spores, odors and bacteria. ADJUSTABLE OZONE LEVEL: This air purifier features two knobs to control ion/fan and the ozone production. You could use ozone generator and full power mode to remove tough odors and bacteria while you leave; or turn off ozone and use as a ionizer air purifier while you are staying. It covers up to 3,800 square feet of space. HIGH END & COMPACT: Elegant wood case and only 12 x 9 x 8 inches, makes it look good in any home and perfect for using it at home in the bedroom, kitchen, garage or anywhere you want. ONE YEAR WARRANTY. NOTE: Ship From INDIANA, we do NOT ship and sell to California customers due to the state regulations NOTE: ALL ozone generators change the molecular structure of the air temporarily, making it difficult to breath when in use. When the ozone feature is turned on, it should only be used in unoccupied spaces (including pets). When people or pets in the room, the ozone switch should be turned off when using.