new, high-quality materials, well-made, durable, and highly compatible with the equipment.In order to achieve the best cleaning and filtering effect, cleaning accessories should be replaced every 2-3 months according to the frequency of use. clean accessories keep your home robot at . Accessory contents are removed and replaced as part of routine maintenance. Also reduces the infiltration of dust, pollen and other into the air you breathe. The function of the sweeping robot filter is to filter the dust, dirt and other impurities inhaled by the sweeping robot to keep the robot clean and operate normally. The filter also prevents dust and dirt from entering the robot's motors and other parts, extending the life of the robot. The dust bag of the sweeping robot is used to collect the dust and debris inhaled by the robot when it cleans the ground. The fiber material can filter tiny particles in the air, thereby reducing dust and pollutants in the indoor air. The dust bag can also prevent dust and debris from escaping from the robot, keeping the indoor environment clean, and can filter out smaller particles, such as pollen, etc., thereby providing users with a healthier indoor environment. The mop of the sweeping robot is usually used to wipe the ground to remove stains and marks on the ground. The mop picks up dirt and debris for a cleaner floor. Material: plastic colour: As shown Package Contents: 4 x filter 4 x mop cloth 4 x dust bag Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.