RFA New Commercial Industrial Ozone Generator Pro Air Purifier Odor Mildew Mold Cost and Eco-Friendly Design - Ultra-low energy usage yields cost and energy savings. Industrial grade steel casing will keep this purifier cleaning for years to come. USA 110V ONLY Model. Commercial/Industrial Grade Ozone Generator - Low maintenance (NO filters to clean) and Portable Design (Compact and lightweight design means you can use the ozone generator virtually anywhere -- in your home, office, boat, car, just about anywhere!) Water damage  Paint fumes Can be used in:  Commercial buildings  Homes  Restaurants  Bars  Automobiles  Hotels  Warehouses  Class Rooms Mold Control and Removal -- Helps to eliminate and retard mold, mildew, and fungus growth. Timer Function -- Allows you to control the length of purification time Must be used in an unoccupied space- Return 1-2 hrs after use for very fresh smell. Unit Makes Ozone- you must leave the room while it is on- there is a timer in place so you can set / leave and come back after turning on Powerful Odor Elimination and Deodorizer -- Eliminates virtually ANY mal-odors from mold, cigarette/cigar smoke, pet odors, paint/cleaning fumes, dust, water damage, smoke damage, cooking odors, and other airborne irritants.