General description Replacement Spare Parts for Dreame L20 / L30 Ultra Robot Vacuum include high-quality materials that are well-made and durable. These accessories are designed to perfectly match the equipment, ensuring optimal performance of your home robot. Clean accessories help maintain the robot's efficiency while reducing dust, pollen, and other allergens in the air. Technical specifications Type: Sweeper Accessories Color: as shown Material: Plastic Package Contents: 1 Main Brush, 6 Side Brushes, 4 Filters, 4 Mop Cloths, 4 Dust Bags Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtration effect, it is recommended to replace the cleaning accessories every 2-3 months, depending on the frequency of use. The filter functions to capture dust, dirt, and other impurities, preventing them from entering the robot's motors and extending its lifespan.