roborock 2 Pack Washable Filter for C1, E2, E3, E4, E5, S4, S5, S5 Max, S6, S6 Pure, S6 MaxV and Q5 Robot Vacuum Cleaners, High Efficiency Filters Replacement PartsCompatible Model: Roborock washable filter replacement is compatible with C1, E2, E3, E4, E5, S4, S5, S5 Max, S6, S6 Pure, S6 MaxV and Q5 Robot Vacuum Cleaner. Easy to Use & Install This filter replacement snaps into place for quick and effortless replacement. No tools are required, easy to replace the filters. High Performance Effective air coated with Teflon, this filter accessory provides long lasting filtration when cleaned appropriately.