1. Compatible models: for iRobot Roomba i7 / i7+ / E5 / E6 2. Made of high quality materials, durable and long-lasting 3. As part of regular maintenance, it is easy to disassemble and replace 4. For better performance, the spare parts should be replaced every 1 - 3 months 5. Exquisite and delicate, highly compatible with the device
