Generic Micro Filtration Hoover SR bagsTraps 99.98% of ragweed and common grass Pollens.Filters a wide range of airborne particles including many pollens, cat dander, spores and other allergens.Ideal for many with allergic or dust related discomforts.Quantity Per Package: 3 Hoover vacuum cleaner bagsOEM Part Number: 401010SRFits all Hoover Canister Vacuum Cleaners Using Type SR Bags. including Duros.