Pick up more dirt than you could have imagined. This vacuum cleaner uses WindTunnel technology to outperform any other clean-air upright. Nine-stage allergen filtration system works with reusable, easy-change three-layer allergen filter cloth bag that is capable of filtering out 100% of dust mites and their eggs plus 99.98% of ragweed and common grass pollens–an ideal function where high standards of cleanliness must be maintained. The six-piece on-board tool set with super stretch hose can clean a variety of surfaces and hard-to-reach areas. 13″ cleaning width is great for big jobs, while the up-front carrying handle makes for quick transportation. Has four-position height adjustment and furniture guard.