Perfect Compatibility: Vacuum cleaner bags compatible with i7 (7150) + i7Plus (7550) s9 (9150) + s9 Plus (9550, 955020). Suitable for all models equipped with a Clean Base automatic suction station. DURABLE AND STABLE: These vacuum cleaner bags adopt 4 layers of fabric: 2 layers of melt-blown ultrafine fiber filter layer and 2 layers of non-woven fabric, reducing the risk of leakage and bursting. Isolate Dust: The door of the push-pull design has a strong sealing property to ensure that all captured dirt and fine dust is contained within the vacuum bag. Easy installation: The replacement dust bag for i7 vacuum cleaner is easy to install and the practical sliding cardboard plate guarantees hygienic disposal of the full bag. Protect your vacuum cleaner: Regular maintenance will keep your vacuum cleaner running at peak performance. And it's easy to remove without annoying dust clouds.