General description New, high-quality materials ensure that these accessories are well-made and highly compatible with your cleaning equipment. Clean accessories enable your home robot to maintain optimal performance while reducing dust, pollen, and other allergens from seeping into the air you breathe. The cleaning accessories are easy to remove and replace as part of routine maintenance, and it is recommended to replace them every 2-3 months based on usage frequency. Technical specifications Model: For 2290 Ultra Series/Home X/Absolute/Ultimate Type: Sweeper accessories Colour: As Shown Material: Plastic Package Contents: 2 * Main brush, 8 * Side brush, 8 * Filter, 8 * Mop Cloth, 1 * Cover Measurement allowed error: +/- 1-3cm Usage The function of the sweeping robot filter is to filter dust, dirt, and other impurities inhaled by the sweeping robot, keeping it clean and running normally. The filter also prevents dust and dirt from entering the robot's motors and other parts,