Made of high quality material, and practical to use The filter can filter particles such as dust and impurities, and achieve the effect of high efficiency and cleanliness cleaning accessories for smooth. It can clean stains, dirt, juice residue and other sticky debris to keep the home environment clean and healthy. As part of normal maintenance, it can be easily disassembled and replaced It is highly recommended to replace the spare parts every two to three months to keep the sweeping robot at its best performance size:132x128MM Material:plastic color:white+blue Package Contents: 4 x Filter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.