Breathe Fresh 5-in-1 Air Purifier w/UV, Ozone Power, Ionizer Odor Reducer, PCO Filtration Cleaning Greatly reduces Allergens including mold, airborne particles, dust, pet dander, pollen and more for up to 3500 Square Feet! Comes with BUILT IN UV STERLIZER to kill airborne germs and viruses. Use the ozone function on this unit in unoccupied spaces with no humans or pets and return 1-3 hours after ozone has been turned off. Removes odors such as, tobacco smoke, fumes, food and beverage odors and pet smells to name a few Five speed fan, five levels adjustable purifier (activated oxygen) for OPTIMAL use. Easy to use - No additional items needed, just plug in! Fan and purifier are audible while on. OZONE DEODORIZING: Makes 180 mg ozone/hr  easily removes bad odors/mold smells/chemicals/smoke smells. It is normal for the ozone function to create a potentially unpleasant smell while operating. After 1-3 hours of the ozone function having run and subsequently turned off, return to find extremely fresh smelling air. MAKE SURE TO USE THE OZONE FUNCTION ON THE UNIT IN UNOCCUPIED SPACES WITH NO HUMANS OR PETS AND RETURN 1-3 HOURS AFTER THE OZONE HAS TURNED OFF BIG LCD display with green back light, remote control and manual control /SLEEK and MODERN look with Digital clock, Digital Timer function; Safety switch (disables unit if filters are not properly installed) Dimensions - . 17 X 6 x 7 Inches NEW TECHNOLOGY using UV light, photo-catalytic filter, washable Carbon filter and ceramic ozone plate. Comes with 30 day unconditional return policy