WIDE COMPATIBILITY: High compatibility of robot vacuum accessories, ideal replacement for original old or damaged parts, suitable for Roborock S7/T7S/T7S Plus robots, good fit, let you rest assured to use, help your robot with excellent performance run.IMPROVE SWEEPING EFFICIENCY: The robot main brush cover can improve the sweeping efficiency of the sweeper, and the cover on the brush bearing integrates flexures and other structures to catch hairs before they become tangled in the bearings.EASY TO INSTALL: The Roller Brush Guard Cover installs without tools and is easy to remove to replace old or damaged brush guards. As part of routine maintenance, there are no difficult requirements even if you are using it for the first time.HEALTHY AND DURABLE MATERIAL: The main brush guard replacement is made of high-performance ABS material, which has high strength, wear resistance, good performance, long service life, suitable for daily use, and you can replace your robot vacuum cleaner parts economically.HIGH PERFORMANCE: The product size of the brush housing is 16.3x5.8x2cm / 6.4x2.3x0.8in, it snaps into place, not easy to fall off, and the protective pad prevents the cover from scratching the floor and causing damage.