Compatibility: Replacement accessories are suitable for sweeping robot accessories M40. Please confirm whether your robot model is compatible before purchasing. The filter can effectively filter fine particles such as dust in the air, significantly extending the service life of the robot vacuum cleaner. High-quality materials, excellent workmanship, , and highly matched with the device. Cleaning accessories keep your home robot at its best performance. The accessories content can be easily removed and replaced as part of daily maintenance. It can reduce the infiltration of dust, pollen and other into the air you breathe. For optimal cleaning and filtering effects, the cleaning accessories should be replaced every 2-3 months depending on the frequency of use. [Easy replacement] Quick and easy replacement without tools. Replace the consumable replacement kit every 2 to 3 months depending on the frequency of use to keep the robot performing at its best.<br><br>Colour:As Shown Material:Plastic<br><br>Package Contents: 6 * Filter<br><br>Only 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.