The Lasko Pure Platinum Air Purifier features a 3-stage filtration system for superior air purification. The carbon filter removes smoke, odors, and large particles, extending filter life. The pleated filter captures 99% of airborne irritants as small as 0.3 microns. Finally, a TiO2 filter with UV light eliminates mold, bacteria, and viruses while reducing odors and chemical fumes, ensuring cleaner, fresher air for your space.