The Roborock S80ULT is a regional configuration in the S8 lineup, combining the S8 robot with an auto-empty dock that operates on Roborock’s sealed bag collection system. The S8 generation brings 6,000 Pa suction and the DuoRoller dual counter-rotating brush system, while the auto-empty dock removes the need to manually empty the robot’s dustbin between sessions. After each cleaning run, the robot docks and the station transfers debris into a sealed bag inside its collection chamber.
The bag’s sealed design is the key maintenance component. It holds the debris through the auto-empty cycle and holds again during removal, keeping the process clean from start to finish. Running out of bags is the one thing that stops the hands-free loop. This supply of 20 Plus.Parts® replacement dust bags is direct-fit for the S80ULT dock and keeps the station stocked through an extended period of daily operation.
Bag construction is designed for the suction conditions of the auto-empty cycle, with a seal that holds without splitting. If you have questions about whether these bags match your S80ULT configuration, our team is reachable and happy to confirm.
In summary
- S8-Series Fit Sized for the S80ULT dock’s sealed bag collection chamber, direct-fit without modification.
- Uninterrupted Cycle A full supply on hand means the dock never waits for a bag between cleaning sessions.
- Support Available Our team is reachable for pre-purchase compatibility checks and post-purchase questions.






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