Sleeve Filter, For Vacuum Type Backpack Vacuum, Fits Vacuum Brand Nilfisk, Filter Pickup Type Dry, Filtration Type Standard, Filter Efficiency 99.8 Percent at 3 microns, Filter Material Paper, Filter Reusability Reusable, Height 4 1/2 in, Length 11 1/2 in, Width/Diameter 7 1/2 in. This item has been restricted from sale in the following state (s): []