The Kirby Micron Magic Vacuum Bags are specifically designed for Kirby vacuum cleaners, including models such as Sentria Ultimate, Diamond Ultimate, G6, G5, G4, and G3. These bags come in a pack of 3 and are compatible with various Kirby G series models. Additionally, they are suitable for Kirby G5, G4, and G3 models, as well as other popular Kirby models like H2, HII, H1, and HI Legend 11. The bags are designed to effectively filter out dust and allergens, maintaining the cleaning efficiency of your Kirby vacuum.