A true inspiration, Alen BreatheSmart FIT50 air purifier with medical grade True HEPA (H13) air filter includes an activated carbon layer. The VOC/Smoke filter's HEPA layer captures 99.9% of airborne particles down to 0.1 micron, while the robust 3.5lb carbon layer helps trap smoke vapors, cooking smells, fumes, and Volatile Organic Compounds (VOC's). Both compact and powerful, BreatheSmart FIT50 cleans an impressive 900 SqFt every 30 minutes. Designed with ingenuity, FIT50 is whisper-quiet, has an air quality sensor and built in technology that adjusts the fan speeds when set to auto-mode. Ideal for most bedrooms, living rooms, offices, and even home gyms, start breathing clean air with Alen in every room! Alen cares about clean air and only makes effective air purifying solutions that help people Breathe Better, Feel Better, and Live Better.