Energy star air Purifier perfect for rooms up to 280 sq. Ft CADR for dust 194/smoke 181/pollen 202 Plasma cluster Ion technology attacks impurities in the air throughout the room HEPA 5-year filter traps 99.97Percent of particles 0.3 microns and larger (fz-f60hfu) Fan speeds: auto, Max (202 CFM), med (111 CFM), low (44 CFM), pole