The One Box 3-Pack Vac Dirt Devil Type U Allergen Vacuum Bags are replacement bags specifically designed for Dirt Devil vacuum cleaners. With a pack of 3 bags, these allergen vacuum bags are compatible with Dirt Devil models featuring the Type U design. The bags effectively trap allergens and pollutants to ensure a clean and healthy environment for your home. Easy to install and reliable in performance, these replacement bags help maintain the efficiency of your vacuum cleaner and keep your living space free from dust and debris.