Fully compatible: This replacement rubber brush compatible with for E series E5 (E5134) E6 (E6198) I series i1 i1and i2 i3 i3and i4 i4and i6 i6and i5 i5and i7(7150) i7and (7550) i8 i8and J series j5 j5and j6 j6and j7 j7and j8 j8and robotics [EASY TO INSTALL and MAINTAIN] These vacuum brush roller are washable and reusable, clean parts regularly to improve suction power and extend service life. For best results, multi- rubber brushes should be replaced every 1 months PREMIUM QUALITY MATERIAL - The products are made of high-strength and environmentally friendly materials to optimal performance and a healthier lifestyle. HIGHLY EFFICIENT TECHNOLOGY - Unique Dual Multi- Rubber Brushes don't get tangled with pet hair. Brushes adjust and flex to stay in constant contact with carpets and hard floors. EASY TO CLEAN AND REPLACE - Regularly clean and replace roller brush to improve suction and performance and extends the life of your robot vacuum. The appearance of each batch may differ slightly, but will not affect the use. Colour:Green Material:rubber Package Contents: 6pairs x Multi- rubber brushes roller 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.