[Compatibility] The Replacement Compatible With for E5 E6 i1 i1+ i7 i7+ i7 i6 i6+ i3 i3+ i4 i4+ i8 i8 j7 j7+J8/J8+ Vacuum Cleaner. This set can meet all of your needs and functions just as well as the old one.(Please confirm the compatible model before purchase) [High-Efficient Filtration] The dual rubber brushes are made of high-quality environmentally-friendly materials and designed with rubber tread,can removing more dirt, dust, and debris which that it has excellent cleaning effect in different materials of the floor [Fine design] High-speed rotation and V-shaped design are conducive to making I/E/J series replacement parts for easy to the impurities in . The V-shaped design effectively gathers garbage for the sweeper to inhale [Convenient to use ] Great replacement rollers fit perfectly, no tools are required, you can replace the main brush in seconds. and washable, effectively helps the robot vacuum cleaner to clean the floor(We recommend replacing every 6 months to maintain the best performance of the machine) [Low Noise Design] The i7 brushes for can be perfectly stuck into the sweeper, making the friction small and airflow not be blocked, reducing the noise of the sweeper when working Color: As Shown Material: Rubber Package Contents: 4 Set x Main Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.