Feature 1PERFECT CLEANING: The side brushes can capture up to 99% of dust, pet hair and tiny particles, ensuring a thorough cleaning experience. 2EASY INSTALLATION: The filter and side brushes can be easily installed without additional tools. Users just need to simply insert or fix them to complete the replacement, which is convenient and quick. 3ECO FRIENDLY MATERIALS: The filters and side brushes are made of eco friendly materials and the fine craftsmanship ensures their quality and durability without causing any pollution to the environment. 4WASHABLE AND REUSABLE: The filter can be washed and reused. They can be easily cleaned by simply rinsing them thoroughly with water, drying them and using them again. 5EASY MAINTENANCE: Filter and side brush replacement keeps the sweeper running smoothly and efficiently. Regular replacement of the filter and side brushes ensures that the robot is always cleaning optimally.Item Type: Sweeping Robot Filter Side Brush Material: High Efficiency Particulate Air, ABSWeight: Approx. 85g / 3ozApplicable: For J4 J4 Lite .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List4 x SideBrush2 x FilterNoteWe recommend changing the filter every 36 months to extend the life of your vacuum cleaner.