Additional Details ------------------------------ Product description: Hoover allergen filtration type Y bags fit all Hoover upright cleaners that use type Y bags. These bags trap 100 percent of dust mites and their eggs. They trap 99.98 percent of ragweed and common grass pollens. Filters a wide range of airborne particles including many pollens, cat dander, spores and other allergens. Electrostatically-charged liner enhances the capture of extremely fine particles. Ideal for many with allergic or dust related discomforts.