Disc Filter, For Vacuum Type Backpack Vacuum, Fits Vacuum Brand Nilfisk, Fits Vacuum Models BU800, UZ964, Filter Pickup Type Dry, Filtration Type Standard, Filter Efficiency Not Applicable, Filter Material Foam, Filter Reusability Reusable, Height 2 1/4 in, Length 2 1/2 in, Width/Diameter 3 1/2 in, Package Quantity 3. This item has been restricted from sale in the following state (s): []