Windtunnel technology removes embedded dirt and minimizes blowback and scatter on the carpet. Lightweight and easy to move around as it weighs only 15 lbs. Convenient bottom-release dirt cup empties easily into trash. One simple touch releases the full bag directly into the trash, and you never have to touch the dirty bag. HEPA media filters and traps 99.97-Percent of dust and pollens. Push button to easily transition from carpet to hard floors.