General description This 20-piece accessory set is designed for iRobot Roomba J, I, and E Series vacuum cleaners, including models i7, i7+, i3, i3+, i4, i4+, i6, i6+, i8, i8+, j7, j7+, E5, E6, and E7. It offers a perfect fit and easy installation, ensuring optimal performance comparable to original parts. Technical specifications Material: Plastic Package Contents: 2 x Rubber Main Brush 8 x Edge Brush 10 x HEPA Filter Elements Measurement allowed error: +/- 1-3 cm Usage Regularly clean and replace the roller brush to enhance suction and performance. Suitable for various floor types, including ceramic tiles, marble, and wooden floors. Designed to make household cleaning more efficient and less labor-intensive. Other information Unique multi-surface rubber brushes prevent tangling with pet hair. The brushes adjust and flex to maintain contact with both carpets and hard floors. Note: Light shooting and different displays may cause the color of the item in the picture to differ slightly