Additional Details ------------------------------ Bullet point: 3-STAGE FILTRATION SYSTEM – Carbon filter removes smoke, cooking and household odors; captures dust, dog & cat hair and other large particles. Pleated filter removes up to 99% of airborne irritants such as pet dander, pollen, dust mites and other allergens down to 0. 3 microns. TiO2 filter helps eliminate mold, bacteria, and viruses; removes odors and fumes from cleaners, aerosols, carpets, and paints.