This Whole Kit,idea for repair or replace the damaged or old parts to renew your MI Robot Vacuum Cleaner. 4 Pair HEPA Filter: Recommend to replace 3-6 months. Effective HEPA Filter for robotic vacuum cleanerUnique design, easy to clean the dust boxdurable in use. 5 Pair Side Brush: Practical side brushes for robotic vacuum cleaner. Nylon brush, it will not scratch the floor and furnitureUnique desgn, easy to collect the hair plastic material, durable in use. Main Brush: Recommend to replace 6-12 months. Practical rolling brush for robotic vacuum cleanerFloating structure, deep cleaning. For best results, spare parts should be replaced every 2 3 months. color:Orange Material:plastic Package Contents: 2 x Roller brush 10 x Side brush 12 x Cloth 8 x Filter 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.