The iRobot Roomba 871 runs on iRobot’s AeroForce cleaning system, the dual-extractor design the 800 series introduced over the bristle brush. The rubber cylinders counter-rotate through a contained debris channel, so the hair that would have accumulated around a bristle axle ends up in the bin instead. On hard floors, the rubber compound adjusts contact across grout lines and transitions without the scraping that older brush designs sometimes produced. iAdapt IR navigation provides methodical coverage across the cleaning area, and the 871 handles multi-surface homes without manual floor-type switching.
The robot’s cleaning output depends on keeping three consumables within their service window. Rubber extractors are the highest-wear part: the compound contacts the floor on every pass and hardens progressively until the extractor starts riding over light debris. Side brushes feed edge and corner debris into the extraction path; the filaments wear down from wall and furniture contact, and once shortened they can no longer sweep a full edge strip into the cleaning channel. Filters trap fine dust the airstream carries; once loaded they resist airflow, and suction falls across the whole session. This replacement parts set contains Plus.Parts® components for all three: rubber main brushes, 3 side brushes, and 3 filters, 8 direct-fit parts built to the Roomba 871’s specifications.
Rubber compound in this set maintains elasticity through the full replacement cycle, not just the opening weeks. Filter media holds the airflow density the 800-series motor depends on from first session to last. A real team handles compatibility questions and order queries directly.
The essentials
- Premium Materials – Rubber compound formulated for sustained elasticity and filter media matched to the 800-series airflow specification, not a generic cut-to-size substitute.
- Straightforward Installation – All 8 parts are dimensioned to the Roomba 871’s original mounting points for tool-free swap-out, fitting just like the originals with no modification needed.
- Responsive Support – A real team available for compatibility questions, delivery queries, or anything else about your order, personal answers, not automated responses.





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