The iRobot Roomba i3558 is a regional model from iRobot’s i3 series, offering consistent scheduled floor coverage and compatibility with the Clean Base Automatic Dirt Disposal dock for automatic bin emptying. After each cleaning run, the dock draws the robot’s bin contents into a sealed bag inside the unit, so the debris is contained and the robot is ready for its next session without the owner needing to empty the bin manually. The bag inside the dock fills progressively with each emptying event and needs replacing once it reaches capacity to keep the auto-empty mechanism working correctly. Regular bag replacements are the only routine maintenance the dock requires.
These Plus.Parts® replacement dust bags are matched for the iRobot Roomba i3558 Clean Base dock. The pack contains 15 bags, giving more than a year of monthly replacements in one purchase. Each bag seals at the point of removal, keeping the bin contents contained from extraction through to disposal.
Our team is available if you have a question about compatibility or need help with your order before it ships.
Worth knowing
- Matched to Your Device – Selected for the iRobot Roomba i3558 Clean Base dock, with the same locking tab and seal geometry as the original bags.
- Consistent Performance – Each bag seals reliably across every auto-empty cycle, keeping the Clean Base dock ready between monthly bag swaps.
- Recommended by Our Team – Sourced for the i3558 Clean Base dock based on compatibility research and experience with the iRobot auto-empty system.





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