Anti-Hair-Wrap Technology: During cleaning, hair cannot get tangled in the brush rolls. Duoclean glides over all floors without the need to change the floor nozzle. Flexology: Flexible hose for effortless cleaning under furniture; when the hose is collapsed, the vacuum can be stored upright. Includes a multipurpose attachment and a special nozzle for crevices. Transforms into a handheld vacuum.