4A Performance: This high performance vacuum cleaner provides 4A performance with grade A ratings in performance on hard floors and carpets, plus dust re-emission and energy efficiency. Best in class in dust re-emission : x-trem power delivers best in class performance in dust re-emission. It is equipped with 2 layers of filtration. A foam filter placed before the motor. A specific high-efficiency filter positioned just before the motor. A specific high-efficiency filter positioned just before the air exit to capture even the smallest particled of dust emitted by the motor. 99.99% of the vacuumed dust is filtered. Advanced technology for exceptional energy efficiency: For greater dust pick-up with less energy use, the cutting edge technology of the new EffiTech Motor system paves the way toward ultimate energy efficiency.XL capacity: 4.5 L New hygienic dust bag: No more dust clouds when changing the bag thanks to the new hygiene+ bag equipped with a self-closing flap: convenient and hygienic. Permanent high-efficiency filter: No need to change filters anymore! Thanks to its high-filtration technology. Easy maneuverability: X-trem Power can move smoothly in every desired direction thanks to its 4 multidirectional wheels. Freedom in use: XL radius (11m) to vacuum freely with no need to unplug.