Cartridge Filter, For Vacuum Type Shop Vacuum, Fits Vacuum Brand Milwaukee, Fits Vacuum Models 0880-20, Filter Pickup Type Wet/Dry, Filtration Type HEPA, Filter Efficiency 99.97 Percent at 0.3 microns, Filter Material Paper, Filter Reusability Reusable, Height 5 1/2 in, Length 6 in, Width/Diameter 6 in