This HEPA filter for Karcher VC 6 and VC 7 cordless vacuum cleaners filters even the finest dirt, including pollen or allergy-triggering particles. Removed from the air reliably and safely, it is so efficient that the vacuum cleaners exhaust air is cleaner than the ambient air. For maximum efficiency, Karcher recommend replacing the filter once a year. Compatible with the Following Karcher Machines (may also be suitable for models introduced after this list was compiled): • VC 6 Cordless • VC 7 Cordless Specifications • Karcher Part No: 2.863-318.0