Kirby Part 204811 - Genuine Style F HEPA Filtration Vacuum Bags for all Sentria Models (6 Bags and 2 Belts) 6 Bags Sentria, for units built 2009 & later. + 2 Original kirby belts MicroAllergen Technology Removes 99.7% of Common Household Dust, Pollen, Mites and Other Particles Electrostatically Charged Material Traps Sub-Micron Particles Certified to Meet H11 Filtration Standard per EN1822 Maintains Higher Airflow