Usage Tips:Replacement for Xiaomi Roborock Q7 MAX, Q7 MAX+, T8, Robot Vacuum Cleaner The filter screen uses high-efficiency filter material, which can effectively filter particles, etc., which prevents large particles into the motor and ensures the long life of the vacuum cleaner. The filter is necessary for the normal operation of your vacuum cleaner. They trap fine dust and prevent it from entering the air in your home. Rinse with warm water and allow to dry completely before use. If necessary, an appropriate cleaning agent can be used. To ensure that your vacuum cleaner performs at its best, it is recommended to replace the filter every 1-2 months color:Photo color Material:plastic Package Contents: 2 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 the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.