Cartridge Filter, For Vacuum Type Canister Vacuum, Fits Vacuum Brand Nobles, Tennant, Fits Vacuum Models Denali-10, Tidy-Vac 3e, V-CAN-10, V3e, Filter Pickup Type Dry, Filtration Type HEPA, Filter Efficiency 99.97 Percent at 0.3 micron, Filter Material Paper, Filter Reusability Non-Reusable, Height 1 1/4 in, Length 6 in, Width/Diameter 6 in, Package Quantity 12