12 Hoover Allergy Vacuum Type Y Bags, WindTunnel Upright Vacuum Cleaners, 43655109, 4010100Y, 4010801Y Fits: All WindTunnel Upright Vacuum Cleaners 12 Hoover Allergy Vacuum Type Y Bags made by Envirocare Fits original manufacture part numbers: 43655109, 4010100Y, 4010801YS Contains one pack of 9 bags + 3 bags = 12 bags total