1. Made from high-strength eco-friendly materials to ensure the best performance and a healthier lifestyle. The advanced cleaning brush can catch food, hair, dirt, dust, pet dander and other small particles. A high quality HEPA filter with H12 efficiency can capture many other particles as small as 0.3 microns.^ 2. The length of the multi-sided brush roller is 255mm, and the weight is about 97g. The filter element size is 94 x 74 x 32mm and the weight is about 65g. The size of the cleaning brush is 137 x 30mm and the weight is about 9g.^ 3. Replacement vacuum cleaner filter kit is compatible with CrossWave 1785, 17852, 17853, 17854, 17855, 17856, 17858, 17859, 1785A, 1785B, 1785F, 1785G, 1785P, 1785Q, 1785W, 1785V, 1785V, 1785V, 1785V 2303, 2305, 2305K, 2306, 2306K. 2.23068.^ 4. Easy to clean and replace, just press and hold the switch, open the cover, then put in a new brush. The soft bristles are suitable for ceramic tiles, parquet, carpets, laminate floors, linoleum, etc.^ 5. Can be cleaned and reused. It is very important to clean the reusable filter regularly to maintain its performance.^