Cartridge Filter, For Vacuum Type Canister Vacuum, Fits Vacuum Brand Nilfisk, Fits Vacuum Models IVT 1000CR, IVT1000CR US SAFE.P.115V, Filter Pickup Type Dry, Filtration Type HEPA, Filter Efficiency 99.97 Percent at 0.3 micron, Filter Material Paper, Filter Reusability Non-Reusable, Height 16 1/4 in, Length 16 in, Width/Diameter 16 in