General description Replenishment Kit for I7 I7+ E5 E6 I3 is made from new, high-quality materials, ensuring durability and compatibility with your equipment. This kit includes clean accessories that help maintain your home robot's performance, while also reducing the infiltration of dust, pollen, and other allergens into the air. Technical specifications Color: As shown Material: Plastic Package Contents: 2 sets x main brush, 8 x side brush, 8 x filter, 1 x cleaning brush, 1 x driver, 1 x universal wheel Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtering effect, it is recommended to replace the cleaning accessories every 2-3 months, depending on usage frequency. The filter's main function is to trap dust, dirt, and other impurities, ensuring the robot operates efficiently and prolonging its lifespan. The roller brush effectively collects dust and debris, directing it to the suction port for optimal cleaning.