Made with high-strength magnesium, this 6.6 Quart Lightweight Upright Vacuum Cleaner incorporates components that are 75 percent lighter than steel and 33 percent lighter than aluminum, all with better anti-corrosion and mechanical properties. It runs on a powerful, commercial motor. The CRI approved, rugged vacuum is the perfect solution for green cleaning. Easy-access dual zipper bag makes installation of the 6.6-quart bag simple and quick. Synthetic media filters 96.75 percent of allergens down to 0.3 microns for cleaner air. Easy maintenance and durability are built-in with the 30' quick-change cord, 12" cleaning width and True Balance, double ball-bearing brushroll.