Compatibility: Anker eufy dust bags (3-pack), compatible with E35, E25, E28, E20, and C28. Multi-Layer Filtration: Efficiently filters dander, mold, and other common household allergens, promoting healthier indoor air quality. Sealed Design: The sealed opening prevents debris leakage for up to 60 days of hands-free cleaning per bag. Genuine Anker eufy Accessory: To protect your robot vacuum and extend its lifespan, we recommend using genuine replacement parts. Third-party alternatives may not be compatible and may affect performance.