Disc Filter, For Vacuum Type Backpack Vacuum, Fits Vacuum Brand Nilfisk, Fits Vacuum Models GD10, GD5, Filter Pickup Type Dry, Filtration Type Standard, Filter Material Cloth, Filter Reusability Reusable, Height 1 3/4 in, Length 4 1/4 in, Width/Diameter 3 in, Package Quantity 3