It is made of high-strength environmentally friendly materials, sturdy and durable, and has a long service life.The filter reduces the entry of dust, pollen and other allergens into the air you breathe.The HEPA filter chipset uses 2 layers of filtration to obtain a good cleaning effect.As part of routine maintenance, it can be easily disassembled and replaced.Can be cleaned and reused.It is recommended to replace spare parts every 2 to 3 months according to the frequency of use to keep the machine at its best performance.Applicable models: suitable for Xiaomi Mijia Lite MJWXCQ03DY MJWXCQ03DY-HP vacuum cleaner.Colour:grayMaterial:ABSSize: 87x83x26mmQuantity:4 Pcs/6 PcsPackage Contents:3 x filter1 x cleaning brush/5 x filter1 x cleaning brushOnly the above package content, other products are not included.Note: Light shooting 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.