Cleanliness For Comfort Vortex TechnologyPowerful Cleaning Performance: Airflow In Excess Of 100 Km/H Ensures Coarse And Fine Dust Is Collected Perfectly. User Convenience Compact DesignSmall And Powerful: A Compact Design For Easy Maneuvering In Homes Where Space Is At A Premium. TrackdriveStability And Direction: Wheels On The Sides Of The Appliance Keep It On Track And Stop It Running Into Anything. Easy Positioning On Staircases Safe To Park: Wheels On The Side Of The Appliance Mean That The Boost Cx 1 Can Be Set Down On Any Stair Or Step. Efficiency And Sustainability Sustainable Filters Good For The Environment: The Frames Of The Hygiene Airclean Filter Are Manufactured From Recycled Plastic.