Designed for rooms up to 250 sq. Ft.; removes up to 99.9% of microscopic airborne particles and pollutants; permanent washable filter; includes odor-reducing prefilter | enjoy clean air with this honeywell airgenius 5 hfd-320 air cleaner/odor reducer that features 5 levels and an oscillating design to ensure fresh air is evenly dispersed throughout the room. Easy-tap controls offer simple operation.