1. **Compatibility**: For Deebot DE55, DE53, DN33, DN55 vacuum cleaners. 2. ** Efficiency**: Ensure your vacuum belt operates at maximum efficiency by maintaining the correct brush roll rotation speed. This speed enhances the vacuum's ability to effectively pick up dirt and debris, delivering thorough and efficient cleaning. 3. **Improved Cleaning Performance**: With the replacement vacuum belt, achieve tension to allow the vacuum's brush roll to work effectively. Proper tension prevents issues like reduced suction power and difficulties in removing dust and dirt from various surfaces, ensuring peak performance. 4. **Effective Troubleshooting**: Quickly resolve performance issues with your vacuum drive belt by inspecting it for damage. A damaged or broken belt can significantly impair brush roll operation, leading to reduced cleaning efficiency and making it harder to pick up debris.