FilterPal Reusable Pre Filter Bag For Shop Vacuums - Wet Dry Vac Dust Collector Bags For VF 4000, VF 5000, DXVC6912, 917816 OEM Filters - Assembled In USA, Medium, Orange - 11.5" Tall, 7.5" Diameter;

FilterPal is a filter made of a patent-pending filter media that is currently being applied to shop vacuums. The overall nature of FilterPal is that is can capture and retain micron and sub-micron particles with a minimum of restriction or pressure drop. FilterPal is a three dimensional, volumetric filter system that captures and stores particles in a matrix of self-charging plastic fibers. **Never use a filterpal without the support of an OEM cartridge filter** Ships with instructions!