Disc Filter, For Vacuum Type Backpack Vacuum, Fits Vacuum Brand Nilfisk, Filter Pickup Type Dry, Filtration Type Standard, Filter Efficiency Not Applicable, Filter Material Cloth, Filter Reusability Reusable, Height 1 3/8 in, Length 2 3/4 in, Width/Diameter 3 1/2 in, Package Quantity 3. This item has been restricted from sale in the following state (s): []