The Kirby HEPA Filter Bags with MicroAllergen Plus Technology are high-efficiency vacuum cleaner bags designed to capture tiny particles, including dust, pollen, and other common household allergens. These bags feature HEPA filtration that traps particles as small as 0.3 microns, improving indoor air quality. They are compatible with F-Style and Twist-Style adapters and fit Kirby models such as G4, G5, Gsix, Ultimate G, Ultimate G Diamond, Sentria, Sentria II, Avalir, Avalir 2, and Avalir Platinum. The package includes 6 disposable bags.