Compatibility: Compatible with eufy Robot Vacuum Omni S2. Suggested Replacement Frequency: We recommend replacing every 6 months, depending on your usage frequency. Built to Last: Made with corrosion-resistant ABS material for efficient filtration that extends the machine's lifespan. Tool-Free Installation: Easily replace parts on your robot vacuum with a simple, straightforward process. Genuine eufy Accessory: To ensure your vacuum's longevity, always choose genuine eufy accessories.