General description Compatible with Moosoo K12, K12 Pro, K13 cordless vacuum cleaners, as well as Genius Invictus One 1.0 X7/2.0 and Foxnovo 13KPA handheld vacuum models. These replacement HEPA filters are designed to effectively block 99.97% of dirt, sawdust, dust, wood chips, pet dander, and other particles as small as 0.3 micrometers, helping to reduce dust and allergens in the air. Technical specifications Dimensions: 4*4.8 cm Installation Easy installation as part of normal maintenance: remove the dust container, twist, and remove the old filter to replace it with the new one. Usage Washable and reusable filter; recommended replacement every 2-3 months for optimal performance. Other information Package Contents: 4 white filters.