HEPA Filter:Effective HEPA Filter for robotic vacuum cleanerUnique design, easy to clean the dust boxdurable in use. Our replacement part accessories kits are designed to compatible with for Mi S4 S5 S6 E2 E3 E4 E20 E25 E35 S50 S65 Robot Vacuum for keeping your RoboVac working at a high level. Side Brush: Practical side brushes for robotic vacuum cleaner. Nylon brush, it will not scratch the floor and furnitureUnique design, easy to collect the hair ABS material, in use. Main Brush: Recommend to replace 6-12 months. Practical rolling brush for robotic vacuum cleanerFloating structure, deep cleaning. Mop cloth:Compatible with for Robot cleaner. Colour: white Material: ABS Package Contents: 4 * Main brush 4 * Filter 6 * Side 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.