- Powerful air purifier that can purifies 282 cubic feet smoke-filled chamber in 3 minutes! The machine CDAR has a rated value for 320CFM. Cleans up to 698 square feet with 5 speed adjustments and 360-degree air inlet. Elegant circular design with convenient handle. Simply enjoy a blast of freshness by turning it on. 5-filter technology includes Pre-Filter; Primary Effect Screen; Dust Deodorization net, High-Efficiency Activated Carbon Screen, and HEPA Screen. Traps hairs, dusts, eliminated allergens from pet hair and pollen. High-Efficiency Activated Carbon Screen and Nano HEPA absorb and filter odors, formaldehyde, toluene, mold, spores, pollen and other harmful gases. UV sterilizing layer kills harmful bacteria in the filters LED smart display to monitor air quality, humidity and temperature in real time.