Dyson Slim Ball Multi Floor Corded Bagless Upright Vacuum with HEPA FilterSelf adjusting cleaner head active base plate automatically raises and lower to seal in suction across all floors Instant release wand wand and long reach hose release in one smooth action, so its easy to clean up high and under furniture Ball technology steers with a turn of the wrist to maneuver easily around furniture, obstacles and into difficult places Certified by the Asthma and Allergy Foundation of America whole machine filtration ensures that