Kirby, Micron Magic Hepa Filtration with MicroAllergen Technology Vacuum Bags Pack of 6 Removes 99.97% of common household dust, pollen, mites, and other particles Eletrostatically charged material traps sub-micron particles Certified to meet H11 filtration standard per en1822 Maintains higher airflow throughout the life of the bag, for up to 100% greater filtering