What makes this machine different is the new Level 3 Root Cyclone™, breakthrough technology that spins the dirt and debris out of the air through a series of three cyclones. This latest advance in our patented technology ensures the highest, most efficient pick-up across all floor types by dramatically improving upon our already superior dust separation systemLevel 3 root cyclone: The world's most efficient cyclone technology.Constant suction:Only Dyson vacuum cleaners have constant suction, room after room.Best average pick-up*:Unique cleaner head and motorized brushbar for the best pick-up across all floor types.*Dyson proves best average pick up using the IEC 60312 Cl 2.1, 2.2, 2.3 and ASTM F608 test standardsClean exhaust air:Air expelled from a Dyson has up to 150 times less mold and bacteria than the air you breathe.Quick-draw Telescope Reach wand:Single action wand with instant 16 ft. reach for stair and high-reach cleaning.Hygienic bin emptying:No need to touch the dust - just push the button.Brush control:Brushbar can be turned off to protect delicate flooring.No extra costs:Lifetime washable filter and no bags to buyOverall outcleans other vacuums**Dyson proves "overall outcleans other vacuums" using results from IEC 60312 Cl 2.1, 2.2, 2.3, 2.8, 2.9 , ASTM F608 and F558, and DTM 755-an independently conducted Dyson test.5 year warranty:Durable touch constructionLifetime HEPA filtration for cleaner expelled air:Approved for allergy sufferers by the British Allergy Foundation.*Dyson proves no loss of suction using the IEC 60312 Cl 2.9 test standard.