HEPA Filter: Recommend to replace 3-6 months. Effective HEPA Filter for robotic vacuum cleanerUnique design, easy to clean the dust boxdurable in use. Side Brush: Practical side brushes for robotic vacuum cleaner. Nylon brush, it 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. Sweeping robot vacuum cleaner dust removal accessories, replacement parts dust box, dust collection box can be combined with vacuum cleaner to achieve better cleaning effect. The accessories are easy to remove dirt, dust and trash in corners and edges effectively. Especially your hairs and your pets hairs. Compatible with model: For Mi Robot Vacuum Cleaner 1st Generation (SDJQR01RR / SDJQR02RR) For Mi Robot Vacuum Cleaner 1S (SDJQR03RR) For S4 / S4 Max / T4 For S5 / S5 MAx For S6 / S6 Pure / S6 MaxV / P5 / T6 For E4 / E5 For Xiaowa C10