Filter, For Vacuum Type Backpack Vacuum, Fits Vacuum Brand Milwaukee, Fits Vacuum Models 0885-20, 0885-21HD, Filter Pickup Type Dry, Filtration Type , Filter Efficiency 99.97 Percent at 0.3 micron, Filter Material Paper, Filter Reusability Non-Reusable, Height 1 7/8 in, Length 7 in, Width/Diameter 7 in