The Alen T100 air purifier combining a HEPA air filter, an activated carbon filter with an ionizer ozone safe in a small package that packs a powerful punch! The HEPA filter in the T100 air purifier removes pollen, pet dander, mold spores, dust mites and dust, while the T100 air purifier ionizer promotes a healthy environment and built in carbon filter air purifier removes odors T100. Yes, indeed it is a small but powerful purified!