Wide Compatibility: Vacuum cleaner dust bags for Miele vacuum cleaners, compatible with Miele Classic C1, Complete C2, Complete C3, Miele S400i-S456i, S600-S658, S800-S858, S2000-S2999, S2, S5000-S5999, S5, S8000-S8999, S8, S227/S240, S270/S280, S400, S2000, S5000, and S8000 series canister GN vacuum cleaners. Replaces part numbers 9917730 and 10408410. HClean 3D Technology: These Miele vacuum cleaner bags feature advanced soft structure technology for maximum collection capacity, allowing air to pass easily through the bag and maintaining high efficiency even at lower suction settings. Self-Locking Auto-Seal Collar: Once dust and debris are sucked into the vacuum, the self-locking auto-seal collar closes automatically when the vacuum is turned off, ensuring that particles remain trapped inside the bag and are not released back into the air. Premium Material & Performance: The GN vacuum cleaner bag includes a 5-layer micro+filtration system that captures 99.97% of dust, dirt, hair, and allergens such as pet dander, helping to maintain a clean home environment and improve indoor air quality. Easy to Install: Simply remove the old HyClean 3D efficiency GN bag, dispose of it, and install the new replacement bag. It is recommended to replace the vacuum bags every 2 to 3 months for optimal performance. Filter made from FSC-certified paper.