General description Filter Brush Replacement for models 1866, 1868, 1926, and 1785 is made from new, high-quality materials, ensuring durability and compatibility with your cleaning equipment. Regularly replacing these accessories helps maintain your home robot's efficiency and cleanliness, while also reducing the infiltration of dust, pollen, and other allergens into the air. Technical specifications Material: Plastic Package Contents: 4 x Multifunctional Brush 1 x Carpet Brush 1 x Wooden Brush 1 x Pet Brush 5 x Filter Measurement allowed error: +/- 1-3 cm Usage To achieve optimal cleaning and filtering performance, it is recommended to replace the cleaning accessories every 2-3 months, depending on usage frequency. The roller brush effectively collects dust and debris, directing it to the suction port for enhanced cleaning efficiency. Other information Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual