Roomba Plus 678 Combo Series replacement parts
Compatible brushes, filters, bags, mop cloths, and dock supplies for the iRobot Roomba Plus 678 Combo Series. Check the exact listing before ordering.
Details come from the manufacturer's own pages; verify your exact unit before ordering.
Parts that fit Roomba Plus 678 Combo Series
Browse by category or compare pack sizes before choosing a listing.
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Typical replacement intervals
General guidance for robot vacuums, not specific to this model. Where the manufacturer states an interval for a part, it is shown in the table above instead.
Every 6–8 weeks
Dust bagsReplace sooner when the dock reports a full bag.
Every 3–6 months
Side brushes & mop padsCheck wear, shape, and cleaning performance.
Every 6–12 months
Filters & main brushInspect regularly and replace when worn.
Also fits these models
Fit varies by part. Check the compatibility list on each part page.
Frequently asked questions
Can I use parts from another iRobot model on the Roomba Plus 678 Combo Series?
Some dock bags fit multiple models in a range, but brushes and filters may differ. Check the compatible-model list for the exact part.
Are third-party parts okay to use?
They can be an option when a listing names your exact model. Compare dimensions, seller information, and return terms.
How often should I replace the filter?
Inspect it regularly. A six to twelve month interval is a planning estimate; usage and manufacturer guidance should decide.