Fit Model: For roborock E4 S5 S6 E25 E20 E35 s50 s51 xiaomi mi robot xiaomi mijia robotic vacuum. Package Includes: 2 Pcs Main Brushes; 2 Pcs Hepa Filters; 4 Pcs 3-Armed Side Brushes; 2 Pcs 6-Armed Side Brushes; 1 Pc Main Brush Cover.