Blueair ECO10 Hepa Silent Air-Purifier

World's Most Efficient Air Purifier --- Runs On Only Ten Watts On High Speed Energy Star Certified --- Energy Saving Uses Up To 95% Less Energy Than Comparable Units Ultra Efficient EC Fan Motor ----- Most Efficient Ever Pre-Filters ----- Prolong Life of Unit and Trap Large Particles Three State of the Art Polypropylene Hepa-Silent Filters ---- Trap Particles down to .1 micron in size Filter Change ---- Only Once a Year Cleans an approximate 20 foot by 15 foot room Quiet --- 49 db on Highest Speed Lifetime Warranty