Compatibility: Compatible with eufy Robot Vacuum Omni S2, E25, E28, S1 and S1 Pro Suggested Replacement Frequency: Replace every 2 months, depending on your usage frequency. Efficient Cleaning: The roller mop cleans dust, dirt, and debris efficiently, ensuring optimal performance. Premium Material: Made of polyester microfiber material which protects the floor from damage. Packaging Notice: Please note that you may receive accessorie in different packaging, but all are genuine and of consistent quality. Tool-Free Installation: Effortlessly replace parts on your Robot Vacuum with a simple, straightforward process that requires no additional tools, making it an easy-to-use cleaning tool.