[Widely compatible]Replacement Roller Brushes for iRobot Roomba E/I/J series, such as i3 i3+ i6+ i7 i7+ i8+ Plus E5 E6 E7 j7 (7150) j7+ (7550) vacuum cleaner. And it will works as great as the ones. [Multi-Surface Rubber Brushes]The replacement roller brushes are made of high-strength material with unique rubber tread designed, to ensure excellent cleaning effect in different materials of the floor. [Easy to Clean and Replace]It's better to replace the roller brush every 2-3 months. Clean and replace it regularly to make sure the cleaning efficiency, and improve the service life of the Cleaner. (When you clean the brush, please dry completely before installation) [High Quality Brushes]The roller brushes are made of premium rubber, which is environmental protection, strong and sturdy, easily remove dust and garbage. The powerful cleaning function makes household cleaning more time-saving and labor-saving. It is suitable for a variety of floors such as ceramic tiles, marble, and wood floors Colour:green Material:rubber Package Contents: 8 x Multi-Surface Rubber Brush 1 x Cleaning Brushes 1 x Screw Driver 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.