DEWALT DXVC4001 Regular Cartridge Filter. This washable and reusable cartridge filter is perfect for collecting dirt, sawdust and debris. Collects particles down to 5 microns at 95% efficiency. Its patent pending clean collect, makes installing and removing your filter quick, easy and secure.Fits the following DEWALT Vacuums: DXV04T, DXV05P, DXV05S, DXV08S and DXV06G.