Dyson Big Ball AnimalSelf-rights when toppled and hygienically ejects the dirt. For homes with pets.- 2 Tier Radial? Cyclones - 28 cyclones stacked across two tiers generate higher centrifugal forces to capture more microscopic dust and allergens trapping them in the clear bin.- Self-rights when toppled - Others vacuums fall down and stay down. Only Dyson Big Ball cylinder vacuums pick themselves up.- Hygienically ejects the dirt - Now you can hygienically drive out trapped dust and debris with just the push of a button. There's no need to touch the dirt.- Carbon fibre turbine head - Carbon fibre filaments pick up fine dust. Stiff nylon bristles help remove ground-in dirt.- Articulated handle for easy versatile cleaning - The wand's handle now rotates in three directions allowing full 360? articulation for greater control.- Ball? technology - Core components are housed within the ball allowing the vacuum to turn on the spot and follow you effortlessly around the home without the awkward moves.- Adjustable Dual mode floor tool removes dust and dirt across all floors. With Suction control for difficult tasks.- No other cyclonic vacuum expels cleaner air.- Includes crevice/brush and stair tools.- 5 year guarantee.- Tangle-free Turbine tool. The only turbine tool that removes ground-in dirt and hair without the tangles.