iRobot Roomba i3+ – Plus.Parts® Replenishment Kit

The iRobot Roomba i3+ sits in the mid tier of the i series, pairing iAdapt 2.0 optical navigation with Clean Base compatibility, the dock model that auto-empties the robot’s bin into a sealed AllergenLock bag after each run. Navigation works by reading floor movement and refining the cleaning path across sessions. The cleaning system underneath is the shared Roomba design: dual rubber extractors that work across hard floors and carpets without bristle changes, a high-efficiency filter that handles fine particles, and a side brush that sweeps along walls and into corners. Each of these components wears on a predictable curve. Rubber extractors stiffen with use, filters fill progressively with particulate, and side brushes gradually lose their sweep radius as the bristles flatten. Replacing them on schedule keeps the robot working as expected and the Clean Base dock collecting properly rather than fighting a partially blocked bin.

This replenishment kit contains Plus.Parts® components matched to the iRobot Roomba i3+: a set of main rubber brushes, three side brushes, three filters, and a cleaning tool, nine parts covering every scheduled replacement interval. Each component fits the robot’s standard mounting points, so installation is the same as swapping the originals. The filter media maintains denser flow characteristics than generic aftermarket options, so airflow holds steady through the full replacement cycle. The rubber brush compound stays flexible longer, keeping the extractors effective across the whole service period rather than hardening after a few months.

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In brief

• Designed for Daily Use – Components selected to handle the load of a robot that runs every day, rubber compound that stays flexible, filter media that holds flow rate.
• Direct-Fit Compatibility – Every component sized to the robot’s extractor bay and filter housing, fitting the same mounting points as the original iRobot parts.
• Recommended by Our Team – Parts selected and recommended by the VacuumReviews.eu review team based on fit, material quality, and real-world maintenance performance.