Cartridge Filter, For Vacuum Type Shop Vacuum, Fits Vacuum Brand Fein, Fits Vacuum Models 9-20-27, 9-20-28, Filter Pickup Type Dry, Filtration Type HEPA, Filter Efficiency 99.97 Percent at 0.03 microns, Filter Material Paper, Filter Reusability Non-Reusable, Height 2 1/4 in, Length 9 3/8 in, Width/Diameter 5 1/4 in. This item has been restricted from sale in the following state (s): []