Made of high quality material, Can be easily removed and replaced as part of normal maintenance. Easy to install and reliable to use It is recommended that you replace it every 2-3 months or thereafter to maintain the best performance of the machine. for Robot Vacuum E5 C108 Colour:Photo Color Material:Plastic Package Contents: 8x side brushes 8x filters 8x dust bags 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.