Compatible models: accessory set compatible with For Robot Vacuum Cleaner S20/D106 series vacuum cleaner robot. Not-original accessories, Part Number products, fit as replacement. Please make sure that the replacement parts are suitable for your robot vacuum cleaner before purchasing. [High Quality Main Brushes]: The main brush is made of high quality ABS rubber, which picks up dust and dirt from your floor or carpet and sucks into the vacuum cleaner with strong suction to achieve stronger cleaning. Easy to install and easy to replace without tools. Effective HEPA filter: the HEPA filter is made of material, which can effectively filter dust, pet hair and tiny particles to clean the room air. Our high-quality filters reduce dust, pollen and other in the air, so that the air becomes fresher and you can breathe better and enjoy a healthier living environment. [High Quality Side Brushes]:The side brushes are equipped with thick and soft bristles to achieve better cleaning results without damaging the floor. Keep your home a clean environment. Recommended replacement time: For optimal cleaning performance, the accessory set should be replaced every 2-3 months depending on the frequency of use to extend the life of robot vacuum cleaners. Color:As Shown Material:plastic Package Contents: 1 * roller brush 2 * filters 4 * Mop Cloth 4 * side brushes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.