The Bank Heavy Duty Genuine HEPA Filtration 6-Pack of Replacement Bags 6-pack of replacement bags for the Bank Heavy Duty Vacuum Electro statically Charged Material Maintains Performance Traps Germs, Bacteria, Pollen, Dust Mites, Mold Spore and More Easy-seal closure locks in dust particles so they remain in the bag HEPA Certified Filtration. Heat Sealed Bags. Sealed Dirt Lock System. Up To 6 Times Larger Capacity Than Standard Vacuum Bags