Compatible Model: This disposable vacuum bag is compatible with Roborock S7+ and S7 MaxV Plus Robot Vacuum Cleaner. | | 1.8L Large Capacity Dust Bag Replacement: Each vacuum bag has a large 1.8L capacity. The 12-pack vacuum bag replacement meets long-term replacement needs. | | Anti-Leakage: This dust bag vacuum replacement part can effectively prevent dust leakage and ensure that the dirt is kept inside the vacuum cleaner bag and never released back into the air. | | Easy to Replace: The dust bags are advanced with a push-pull handle design, simply remove the full dust bag, without needing to touch dust when changing. Please replace the dust bag every 1-2 months to keep your robot vacuum in optimal working condition. | | Note: To protect your robot vacuum machine and extend its lifespan, please purchase replacement parts from Roborock store. If you have any questions, please feel free to