The edge brush is made of and long-lasting material, ensuring reliable performance. The combination of the main brush ensures a thorough and effective cleaning experience, leaving your floors refreshed. The filter helps maintain the vacuum cleaner's performance while reducing dust infiltration into the air you breathe. 100%Made of high-quality materials, environmental friendly materials, soft and to use. It is recommended that you replace spare parts every 2 to 3 months depending on the frequency of use to keep the machine running at its best performance. type: B-rubber Main Brush Applicable Models: For Bot L30 Ultra (Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use) Material: plastic colour: As Shown Package Contents: 1 x rubber Main Brush 9 x Dust Bag 6 x Mop Cloth 4 x Filter 4 x Side Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause