Compatible model: replacement parts for T9 , T9 + robot vacuum cleaner. (Please confirm your robot model before purchasing.) [Premium Materials]: The replacement parts are made of high-quality materials. The mop cloth is made of 100% high quality soft microfiber material to protect the floor from scratches. The nylon bristles of the side brush are soft and wear-resistant and do not leave scratches on the floor furniture, so the robot vacuum cleaner can effectively clean the floor. [High Performance]: Uniquely designed main brush with rubber treads to adapt to different floor surfaces, removing everything from small dust to large deposits. Achieve an efficient cleaning effect. Filters reduce dust penetration and help clear the air of dust and other particles. The side brush reaches deep into corners and edges to remove more dirt, dust and debris. [Efficient Cleaning]: The microfiber mop pad has strong water absorption and can be easily and thoroughly cleaned of dirt on hard floors.