Kirby Micron Magic Hepa Filtration Bags. Allergen Reduction Filters. Removes up to 99.97% of common household dust, pollen, mites, and other particles. Electrostatically charged material traps micron particle matter. For Models Gen 3, G4, G5, Gsix, Ultimate G, Diamond, and Sentria* manufactured before January 2009. Comes as 6 pack.