Help keep your family healthy the safe, natural way. 99% effective against flu viruses and other airborne germs. Also destroys mold spores, allergens, and odors. Produces no ozone. UV-C light is a natural way to kill germs without the use of chemicals. Disinfects 450 cu ft of air per hour. Works in any size room. Great for bathrooms and bedrooms. No filter to clean or replace. Whisper-quiet operation. 1 year limited warranty. Refer to Model No. LB1000 (SKU 653055) for replacement bulb.