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. Replacement 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: After dust and debris are collected, the self-locking auto-seal collar prevents particles from escaping back into the air. The collar automatically seals when the vacuum is turned off, ensuring all dirt remains trapped inside the bag. Premium Material & Performance: The GN vacuum cleaner bag includes a 5-layer micro+filtration system that captures 99.97% of dust, hair, pet dander, and other allergens, helping to maintain a clean home environment and improve indoor air quality. Easy to Install: Simply remove the old HyClean 3D efficiency GN bag or filter, dispose of it, and install the new replacement bag. It is recommended to replace the vacuum bags every 2–3 months. Filter made of FSC-certified paper.