Exclusive PowerCyclone 8 technology quickly accelerates air in the cyclonic chamber to separate out dust. The powerful swirling action maximizes airflow and performance for remarkable cleaning results. Our clean-air filter system creates a perfect seal and captures 99.9% of fine dust including pollen, pet hair and dust mites for allergy sufferers and anyone demanding a higher level of hygiene. Our exclusive TriActive+ nozzle gently opens carpet pile for a deeper clean. Air channels at the front let large crumbs in and brushes at the sides clean closely along your furniture and walls. Our Allergy Lock system uses a sensor to ensure the dust container is fully sealed and leak-proof before operating.