The Roborock G20S Ultra sits at the premium end of Roborock’s G-series, combining high suction capability with an auto-empty station designed to handle large floor plans with minimal owner input. The dock empties the robot automatically after every run, keeping the cleaning cycle continuous. As a more capable machine covering larger spaces, the G20S Ultra can collect a significant volume of debris across a session, which means the dock bag fills at a meaningful rate over four to five weeks. Maintaining the monthly swap schedule keeps the dock extraction cycle working at full capacity.
The 18-bag supply in this Plus.Parts® Dust Bag Year Pack is matched to the G20S Ultra dock dimensions, so each bag goes in cleanly and the seal engages on removal the same way the original bags do. Eighteen monthly bags stretch well past the twelve-month mark, meaning one order covers more than a year without a repeat purchase.
The bags are produced with reinforced lining material that keeps fine particles from working through the bag wall during the collection period. If you have a specific question about fit for your dock hardware revision, we will verify and confirm before you commit to an order.
At a glance
- Consistent Performance – Eighteen bags built to the same dimensional and sealing standard so every monthly swap delivers the same clean, contained result.
- Tested and Reviewed – Selected by the VacuumReviews.eu team based on fit and retention performance across the G20S Ultra dock replacement cycle.
- Recommended by Our Team – Our team confirms compatibility before you order and is available for any question that comes up after your purchase.







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