WINDTUNNEL 3 TECHNOLOGY: Creates channels of suction to lift and remove surface and deeply embedded dirt HEPA FILTER: Traps in 99. 7% of dirt, dust, pollen, and allergens down to 0.3 microns and one simple touch releases the bag into the trash, so you never need to touch it MULTI-FLOOR ADJUSTMENT: Features 7 floor height adjustment settings so that you can move between hard floors and deep carpets with ease ABOVE FLOOR CLEANING: Up to 17 feet of above floor cleaning to reach ceilings, fans, crown moldings and more TOOLS INCLUDED: Telescoping Extension Wand, 12 inch crevice tool, upholstery/dusting brush, and a air powered hand tool