• Compatibility: Designed for Dreame F9 and Mijia 1C. Check your vacuum model before purchasing. • Fresh air: Effectively handles footprints, juice residues, and oil stains, improving the air quality and environment of your home. • Cleaning performance: The roller brush adjusts its rotation to pick up dust and prevent hair tangles. The side brush cleans deeply in corners and edges. • Easy to replace: Made with high-strength and environmentally friendly materials. The replacement parts are easy to install, saving time on maintenance. • Maintenance tips: If the brushes bend, soak them in warm water. Replace parts every 2-3 months for optimal performance.