Breathe in the benefits. The Homedics smart air purifier T100 features 3-in-1 purification designed to keep the air clean and comfortable in small rooms up to 207 square feet. True Hepa (High-Efficiency Particulate Air) filtration removes up to 99.97% of airborne allergens as small as 0.3 microns, prefilter assists with particle removal, and the built-in activated carbon filter reduces household odors. With 3 speeds and convenient features - including an essential oil tray and quiet operation - it's the true solution for dirty air.