Our portable air purifier (28.2 lbs.) removes harmful pollutants through an impressive 4-stage filtration process. With various speeds to choose from such as: Auto, Low, Medium, High, Max & Sleep Mode—you can also select an Anion function that protects your environment by attaching negative ions to dust. This incredible UV air purifier (14.4” x 14.8” x 27.1”) has an average CADR (Clear Air Delivery Rate) of 340 CFM—along with 309 for dust, 387 for pollen and a rating of 324 for second-hand smoke. We believe this is one of the best air purifiers for home with its electrostatic precipitation capabilities as well as UV technology. This outstanding air purifier also comes with air quality indicator (PM2.5), touch panel, remote control, child lock, and auto shut-off. 120V, 60hZ. ISTA 6A packaging.