General description Main Material: 100% made of high-quality materials, easy to clean. This replacement accessory set is designed for IRobot Roomba models I3, I3+, I4, I6, I6+, I7, I7+, I8, I8+, E5, E6, and E7. It is convenient, hygienic, and safe, providing effective cleaning without damaging your floors. The soft and gentle materials make it suitable for various surfaces including hardwood, laminate, marble, ceramic tile, and carpets. It is recommended to replace these accessories every 2-3 months to maintain optimal performance. Technical specifications Color: as shown Material: plastic Package Contents: 2 sets of roller brushes, 10 side brushes, 10 filters, 10 dust filters Measurement allowed error: +/- 1-3 cm Installation Easy to install, no need to spend extra energy and time. Usage Ready to use for effective cleaning.