Cartridge Filter, For Vacuum Type Canister Vacuum, Fits Vacuum Brand Nilfisk, Fits Vacuum Models GD 930 / VP930, Filter Pickup Type Dry, Filtration Type HEPA, Filter Efficiency 99.97 Percent at 0.3 micron, Filter Material Paper, Filter Reusability Non-Reusable, Height 2 3/4 in, Length 14 3/4 in, Width/Diameter 14 3/4 in