[Compatibility]: spare parts for Deebot T20 Omni or T20e Omni robot vacuum cleaner. [ materials]: Roll brush, rubber brush, side brush, HEPA filter, cleaning buffer in , and practical materials.Neat finishes, very compatible with your machine. [Product Function]: The roller brush can remove large areas of garbage, and the filter elements effectively removes dust, pet hair, etc. to prevent it from returning to the air. The side brush reaches corners and edges to remove more dirt, grime, and dust, and the mop helps you while the robot vacuums, leaving the air around you clean as new. [Spare parts]: The spare parts must be replaced every 2 to 3 months, depending on the frequency you use the machine, the quick replacement of spare parts can maintain optimal performance. Colour:As Shown Material:Plastic Package Contents: 2 x roller brush 2 x filter 2 x Mop Cloth 2 x dust bag 4 x side brush 1 x cleaning brush 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. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.