Dirt Devil CV950, CV950LE, RV2000 Maxum Central Vac Bags (9 Bags) (9) Maxum Disposable Bags, Genuine Dirt Devil Bags Central Vacuum Cleaner Bags 3 packages of 3 Works With: Dirt Devil Central Vacuum Cleaner CV950 Dirt Devil CV950/LE Dirt Devil RV2000 Maxum Description:Maxum Disposable Bags, The term HEPA (high-efficiency particulate air) describes filters designed to capture 99.97 percent of all particles 0.3 microns or smaller (too small to see, but the perfect size to penetrate your lungs) This size covers all common allergens, from mold and animal dander to dust mites and pollen, along with some small particles from smoke and pollution