Comprehensive Compatibility: Designed specifically suitable for X20 SW+ / 11415/ X21 SW+ / 11500 , this kit ensures a and function suitable for your robotic vacuum. Complete Package Contents: This kit includes 1*main brush 6*side brush 6*dust bag 8*filter 10*rag, 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 per suitable formance under various operating conditions. It's an essential upgrade suitable for anyone looking to maintain their appliance in top condition. Simple Installation Process: designed suitable for hassle-free installation without the need suitable for additional tools. The user-friendly design allows suitable for quick and easy replacement, making maintenance a breeze and saving you time. Model: suitable for X20 SW+ / 11415/ X21 SW+ / 11500 Function: Cleaning Colour:As Shown Material:plastic Package Contents: 1 * main brush 6 * side brush 6 * dust bag 8 * filter 10 * rag 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.