Hoover Filter Bags Type A Allergen Filtration 4010100A (3 Packs of 4) Total of 12 Bags 12 Hoover A Allergen Performance Upright Vacuum Cleaner Replacement Bags Fits to these models - Convertible, Elite, Legacy Decades, Concept One, Encore, Powermax, RunAbout Spectrum, Spirit, Sprint, and Innovation Genuine Hoover parts are designed to extend the life of your machine