HEPA filter with Bactisafe™ screen Clean expelled air. Ideal for allergy sufferers. Root Cyclone™ technology Patented technology that doesn't lose suction power as you vacuum. Lightweight to carry Made from ABS and polycarbonate materials used to manufacture crash helmets. Telescope Reach™ wand Wand and hose extend for high reach and stair cleaning while the vacuum remains upright and stable. Flexible steering Steers smoothly with a turn of the wrist.