EnviroCare Replacement HEPA Vacuum Filters for Hoover Fold Away Turbo Power 3100 HEPA Pleated filter, Upright, Bageless, Widepath Vacuum Cleaners 3 Filters Fits: Hoover Upright, Bageless, Widepath (3) Hoover Foldaway Turbo Power 3100 HEPA Pleated Vacuum Filter Designed to fit original manufacture ; 40130050, 43615-090 Filter Dimensions: Bottom: 5 1/2" x 3 1/2" Opening: 3 3/8" Width: 1 5/8 EnviroCare Premium aftermarket Part 924