Cleans Carpets Better Than Dyson DC25, DC33 and 41 at 1/2 the Price. Unlike other vacuums, Airspeed Technology has two smooth tubes, featuring limited bends and turns. This allows for more air to pass through the vacuum. The direct air path from floor to cup decreases the distance for dirt to travel, which increases the amount of airflow for powerful suction. For attachment cleaning, simply set the suction control dial to ?tools.? Deep Cleaning Power the Eureka Airspeed Gold cleans more than just the dirt you see. The Whirlwind Cyclonic Technology maintains suction power longer and separates larger debris from fine dust, resulting in less maintenance. And a HEPA filter captures 99.97% of dust and allergens for a cleaner home. The Stair and Upholstery Turbo Brush removes cleans carpet and upholstery. Plastic teeth loosen it, rubber strip grabs it and bristles remove it. A HEPA Filter captures 99.97% of dust and allergens for a cleaner home. Based on a comparison between (a) regular MSRP of Eureka Airspeed and Dyson DC25, DC33 and DC41 vacuums as of February 2012 (b) independent lab tests using industry standard ASTM F608 test, measuring embedded dirt removal from carpeting When compared to non cyclonic vacuums having dirt cup filters.