This bagless cylinder vacuum's HEPA13 filter keeps 99.97% of dust particles inside the vacuum, helping allergy and asthma sufferers rest easy. Featuring PerformCycloneâ„¢ technology, this powerful appliance delivers constant and high suction, collecting even the smallest dust particles. Thanks to its large 2.5L capacity, you'll be able to vacuum for longer without needing to empty the dust bin.