Compatibility: For use with eufy Robot Vacuum Omni C28/X12 pro. Durable and Practical Design: Washable and reusable after air drying. High-Performance: Captures particles as small as 0.3 microns, achieving 99.99% filtration efficiency and ensuring cleaner air. Easy Maintenance: Rinse and gently tap to remove dirt. Replace every 3 - 6 months or after 360 hours of use. Note: To protect your Omni C28 and extend its lifespan, we recommend using genuine eufy replacement parts. Third-party parts may result in substandard performance.