NEW LEAF 3500mg Ozone Generator Air Purifier Commercial Ozonator Very simple to use - while offering professional strength air purification Can be used in: Commercial buildings / Homes / Restaurants / Bars / Automobiles / Hotels and etc. Great at removing odors caused from: Mold odor / Smoke / Mildew / Air borne viruse / Air pollution / Pet odors and etc. Works in room sizes up to 3500 square feet. Compact size and lightweight.