Made of high-quality materials, durable.HEPA filter: The filter maintains the cleaning performance of the vacuum cleaner while reducing the infiltration of dust, pollen and other allergens into the air you breathe.The filter elements can intercept fine dust with a diameter of more than 0.3 microns, effectively filter pet hair, dust, dander and other pollutants, and promote fresh exhaust without secondary pollution.It is best to replace spare parts every 2 to 3 months to keep the machine at its best performance.Suitable for Xiaomi Delmar CM300S CM400 CM500 CM800 CM810 CM900 vacuum cleaner.Color: black + whitematerial: plasticSize: 43 x 50 x 39mmPackage Contents:10 x filter screen1 x cleaning brushOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.