EnviroCare Replacement Micro Filtration Vacuum bags for Hoover Windtunnel Upright Type Y 6 pack Fits: All WindTunnel Upright Vacuum Cleaners 6 Hoover Allergy Vacuum Type Y Bags Fits original manufacture part numbers: 43655109, 4010100Y, 4010801YS Dimensions: EnviroCare Premium aftermarket Part # 856