Hoover Type Z Allergen Filtration Vacuum Bag, 3-Pack is designed to provide an exceptional cleaning experience by trapping an impressive 99.97% of dust and pollen particles down to 0.3 microns. These vacuum bags are for upright vacuum models, ensuring a thorough and efficient cleaning process. Featuring a self-sealing mechanism, they make changing bags easy and mess- by preventing dust and allergens from escaping during disposal. Compatible with a variety of Hoover models including Power Drive, Dimension, Dirt FINDER, AutoDrive, TurboPower 3500, 3700, 4500, 5000, 6000, 7000, PowerMax, Breath Easy, and Caddy Vac, these bags are a reliable choice for maintaining a clean and allergen- home.