General description Brand new and made from high-quality materials, this set of spare parts is durable and perfectly matched for Eufy Robovac models 11S, 35C, 15C, 25C, and 30C. Clean accessories help your home robot maintain optimal performance while effectively reducing dust, pollen, and other allergens in the air. Technical specifications Color: as shown Material: plastic Package Contents: 1 x Main Brush, 10 x Side Brush, 10 x Filter, 1 x Primary Filter, 1 x Universal Wheel, 1 x Cover, 1 x Cleaning Brush 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 usage frequency. The filter functions to trap dust, dirt, and other impurities, preventing them from entering the robot's motors and extending its lifespan.