Performance of the air filter: - First filter layer: Traps dust particles larger than 5 microns, such as large dust particles, dandruff, pollen, human hair, and pet hair. - Composite activated carbon filters: Effectively absorb odors, smoke, chemicals, and harmful gases such as benzene, toluene, xylene, formaldehyde, and ammonia. - HEPA filter: Captures dust particles as small as 0.3 microns with 99.97% efficiency, including dust, pollen, mold, pet dander, dust mites, cockroach allergens, and other allergens.