Hoover Type Y WindTunnel Upright Vacuum Bags, 6 Packs of 3 Bags Made In The USA. Designed to fit all Hoover WindTunnel, T-Series, TaskVac Upright Bagged Models Fits Hoover Part Numbers; 4010100Y, 902481001, AH10040, AH10165, 902419001. Captures 99.97% of Airborne Microscopic Particles as Small as 1 Micron. Ideal For Homes With Breathing Issues or Allergies Save Time and Money With This Bulk Deal of 6 Packages of 3 Bags, 18 Total Bags.