Compatible with MOOSOO K12, K12 Pro, K13 Cordless Vacuum Cleaners / for Genius Invictus One 1.0 X7 2.0 (Please check your vacuum cleaner model number before purchasing). High quality plastic and mesh, surrounded by a mesh that can effectively block 99.9% of particles that are picked up at the cleaning nozzle. Washable and reusable K12 filters, and easy to install, just disassemble the dust cup, twist and remove the filter to replace the new replacement filter. Made of high density material to catch small particles like fine dust, dirt, sawdust, cold ash, wood chips, fine powders, construction site debris. Package Content: 3 HEAP-filters. Note: The data are all measured manually, please allow 1-3cm error Due to differences in light and display, there may be some color differences, please refer to the actual item received.