(3) 40130050 Hoover Fold Away Turbo Power 3100 HEPA Pleated filter, Upright, Bageless, Widepath Vacuum Cleaners, 43615090, U5172900, U5175900,
40130050 Hoover Foldaway & Turbo Power 3100 HEPA vacuum filter43615-090 43615090   Filter Dimensions:  Bottom: 5 1/2" x 3 1/2" Opening: 3 3/8" Width: 1 5/8"  Designed to fit original manufacture #: 40130050, 43615-090, 43615090,Designed to Fit these models series and others:    All Hoover Foldaway upright vacuum cleaners including the Turbo Power 3100    Hoover Fold Away Widepath Bagless Upright U5172900, U5175900    Hoover Foldaway U5161-900, U5162-900, U5163-900 U5163-940, U5164-900    Hoover Foldaway Widepath U5171-900, U5173-900,  U5174-900, U5175-900, U5177-900    Hoover Foldaway TurboPOWER U5167-900  Item is:Hepa filtration Allergy Vacuum FilterTraps Bacteria, Dust Mites, etc.down to 0.1 micron