General description High-quality soft roller brush and HEPA filter set designed for H12pro, H12 Plus, and M13 Beta robotic vacuum cleaners. These accessories are essential for maintaining optimal performance and efficiency of your home robot, effectively reducing dust, pollen, and other allergens in the air. Technical specifications Material: Plastic Package Contents: 2 x roller brush, 8 x HEPA filter 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. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product.