General description 4 Pack Hepa Filters for Xiaomi Roborock S6 S5 MAX S60 S65 S5 S50 S55 E25 E35 Vacuum Cleaner are designed to maintain the cleaning performance of your vacuum and reduce dust entry. It is recommended to replace the spare parts every 2-3 months depending on the frequency of use to keep the machine in good condition. Technical specifications Contents: 4 filters Type: HEPA filter Washable: Yes Compatibility and accessories Compatible with: Xiaomi Roborock S6, S5 MAX, S60, S65, S5, S50, S55, E25, E35