Hoover Type I HEPA Bag (4-Pack), AH10005 4 Type-I HEPA vacuum cleaner bags 2 Boxes OF 2 Bags Traps 99.97-percent of dust and pollens down to .3 microns Easy-to-install; reduces dust puffs and debris For use with the Hoover UH30010COM Canister Vacuum Cleaner Product Built to North American Electrical Standards