For the gadget-happy, the popular Blueair 650E offers the same reliable air purification performance as the powerful Blueair 650E model, but comes with a handy remote control unit and digital display. The easy-to-use remote control and digital display system gives you instant feedback on particle detection, air purifier speed and timer operation. So you don’t have to leave your comfortable spot at your desk, on the sofa or in bed to change the speed setting. Just point and click. Electronic particle and gas sensors confirm that the unit is effectively removing allergens, such as pollen, dust, smoke, mold spores and pet dander, from the air. And you can see when it's time to change the filters on the electronic display. Design The union of visually pleasing form and effective function is a hallmark of Swedish design, and Blueair is no exception. The Blueair 650E is designed for maximum performance in very large rooms. Available in white/dark grey, it suits your distinct style of living. Convenient caster wheels let you easily move your Blueair from room to room. • Ideal for very large rooms(698ft2 or 65m2) • 99.97% filtration efficiency • Energy Star® qualified • Available in white/dark grey • Specifications for the Blueair 650E Technology Blueair's patented SmokeStop™ filters of polypropylene with 5.3 lbs. of activated coconut shell carbon impregnated with an equal blend of Potassium Iodide (KI), Phosphoric acid (H3PO4), and Potassium Hydroxide (KOH)