The Uvonair® 5000 attacks and neutralizes odors at the source. Operates for less than a 100 W light bulb. It eliminates odor, mold, bacteria, smoke, etc. Easy to use with no maintenance required. Uvonair® 5000 is for areas up to 5000 cu ft. Warning: For commercial use only in unoccupied areas. 6 month warranty on bulb.