Compatible with for J and I and E series i7 i7and i3 i3and i4 i4and i6 i6and i8 i8and j7 j7and E5 E6 E7 Robot Vacuum Cleaner. This set works as great as the original ones, precision fit and easy install.PREMIUM QUALITY MATERIAL The products are made of highstrength and environmentally friendly materials to ensure optimal performance and a healthier lifestyle.HIGHLY EFFICIENT TECHNOLOGY Unique Dual MultiSurface Rubber Brushes don' 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 POWERFUL CLEANING FUNCTION makes householdcleaning more timesaving and laborsaving. It is suitable for a variety of floors such as ceramic tiles, marble, and wood floors.Material: plasticcolour: greenPackage Contents:4 x Rubber Main BrushOnly the above package content, other products are not included.Note: Light 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 13cm.