Comprehensive Compatibility: Designed specifically For J20 / W20 / W20 Pro , this kit ensures a and function for your robotic vacuum. Complete Package Contents: This kit includes 1* rubber brush 1*hair brush 4*side brushes 4*filters 4*dust bags 4*activated carbon filters, providing a full range of maintenance supplies. Maintenance Recommendations: To maintain optimal , it's advised to clean the regularly and replace every 1-2 months, depending on usage frequency. This routine ensures your vacuum operates at efficiency. Premium Construction: Made with high-grade materials, this part not only promises but also guarantees robust performance under various operating conditions. It's an essential upgrade for anyone looking to maintain their appliance in top condition. Simple Installation Process: designed for hassle-free installation without the need for additional tools. The user-friendly design allows for quick and easy replacement, making maintenance a breeze and saving you time. Model:For J20 / W20 / W20 Pro Function: Cleaning Colour:As Shown Material:plastic Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 1 * rubber brush 1 * hair brush 4 * side brushes 4 * filters 4 * dust bags 4 * activated carbon filters 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.