• Compatibility: This replacement parts kit is exclusively suitable for Dreame L20 Ultra and L20 Ultra Complete vacuum robot models. Make sure to check your robot's model before making the purchase! • Package contents: Includes 12 accessory pieces for Dreame L20 Ultra and L20 Ultra Complete, consisting of 1 main brush, 6 side brushes, 4 HEPA filters, and 1 cleaning brush. • High quality: The HEPA filters maintain the vacuum's highly efficient cleaning performance by filtering most of the dust in the air. • Optimal maintenance: To keep your vacuum robot running at maximum power, it is recommended to replace the spare parts every 2 to 4 months, depending on the frequency of use.