The iRobot Roomba i4558 is a regional model in iRobot’s i4 lineup, suited to households looking for mid-tier automatic floor coverage with Clean Base auto-empty convenience. The Clean Base dock draws debris from the robot’s bin at the end of each session and seals it inside a bag, so the contents are contained between bag changes and the robot is ready for its next run without any manual step. The bag fills progressively across sessions and needs replacing once it reaches capacity; the auto-empty cycle will not function correctly with a full bag in place. Keeping replacement bags in stock ensures the system stays ready whenever the robot finishes a run.
These Plus.Parts® replacement dust bags are matched for the iRobot Roomba i4558 Clean Base dock. The pack contains 15 bags, giving more than a year of monthly replacements in a single order. The bags seal reliably at removal, keeping the contents contained and each swap clean.
Our team is available if you have a question about compatibility or need help with your order before it ships.
Key facts
- Matched to Your Device – Each bag is sized and tabbed for the iRobot Roomba i4558 Clean Base dock, with the same load-in tab and sealing geometry as the originals.
- Consistent Performance – Bag material seals reliably across every auto-empty cycle, keeping the dock ready between monthly bag swaps.
- Recommended by Our Team – Selected for the i4558 Clean Base dock based on compatibility research and knowledge of the iRobot auto-empty system.





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