For Dustbag with 3D technology.Auto-shut mechanism which automatically closes the bag when the vacuum cleaner is opened, meaning you won't be exposed to unhygienic dirt.Provides nine layers of filtration, for bags retain more fine dust and small particles than a conventional dustbag.Suitable for: Complete C3, Complete C2, Classic C1, S400i-S456i, S600-S658, S800-S858, S2000-S2999, S5000-S5999, S8000-S8999, S2, S5, S8 series.Advantage : Replacement AirClean Vacuum Bags and AirClean Filters are made with a multi-ply construction helping to reduce 99.9% of fine particles from reentering the air. The multi-ply construction also makes these bags virtually tear proof. And with automatic bag closure you will never have to worry about spilling any dirt or dust back into your home.Colour: white + blueMaterial: non-wovenSize: 18x28cmPackage Contents:20 * Dust BagsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.