Compatible Models: Compatible with Roomba 800 800 860 866 870 871 880 886 890 900 960 966 980 series. Features: Innovative suction roller, made of high wear resistant rubber quality, serrated tread, adjustable rotation, strong debris decomposition easy to disassemble and install. Efficient cleaning: special roller brush for sweeper, serrated roller brush design, cut with cut, completely solve the winding problem and enjoy a cool room. Roller brush Double floating design The roller brush can automatically adjust the fit of different floors and always maintain very close contact to complete the cleaning task. Dimensions or packaging : length 190mm, width 30mm 2 iRobot cleaning brushes. The two rubber brushes work together and can be adjusted flexibly to meet various situations. They get into crevices to descale, scrape and clean stubborn stains with soft rubber. Soft rubber brush, soft-touch floor, reduces noise, protects the floor, hard to tangle hair, strong cohesion, no dust leakage, improve the cleaning effect. Main function - using wear-resistant rubber material and serrated tread design, it can effectively decompose debris , shear hair and solve winding problems while rotating at high speed. Single and double roller rubber brush design - double main brushes prevent tangles and double rubber brushes specially designed can effectively prevent hair tangles. replacement suction brush, low noise, effectively help the sweeper to clean. Innovative debris extractors counter-rotating doubles break up debris and remove dirt, while the brushless design is virtually maintenance-free. No need to spend a lot of time cleaning the house, free yourself from cleaning jobs tedious and share a clean space with your family! Depending on how often you use it, keep your sweeper performing at its best by cleaning the rollers every 3-4 cycles and replacing the rollers every 3-6 months. Compatible with iRobot 800 800 860 866 870 871 880 886 890 900 960 966 980 series. Specification: Material Material: wear-resistant rubber material Contents: 2 brushes for removing debris. Color: As picture shown Size: 190 x30 (mm) Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.