Kirby Universal Bags: 2 Packs of Kirby #204811 (12 bags) - Allergen Reduction White Cloth Bags - Genuine Kirby Product - shipped by BuyParts Universal style bags fits both F-style and twist-style Kirby Models! HEPA Technology - White Cloth Bags For All Generation & Sentria Models Fits ALL Kirby models in the Generation 4- Sentria II range Increases performance on older models due to the new Micro fibre technology Kirbys best bags