National Geographic : 2014 Oct
Out-cleans the 5 big boys. In independent floorcare tests, the new DC59 Motorhead vacuum out-cleans the top five best-selling full-size vacuums across carpets and hard floors. Without the hassle of a cord.* dyson.com/nocord * Tested against upright market, dust loaded, using ASTM F608, ASTM F2607, IEC 60312-1 5.2, 5.9. Using competitor NPD sales volume data, MAT April 2014.