The iRobot Roomba i3+ pairs iRobot’s improved navigation, more adaptive than the row-by-row pattern of the i1 and i2, with the Clean Base auto-empty dock. It returns after every run, the base evacuates the bin, and the robot is ready before the next scheduled session. The result is a robot that genuinely runs with minimal intervention. What the Clean Base manages is bin contents. What it leaves to the owner is the high-efficiency filter inside the robot, which sits in the airpath and captures fine particles that are too small for the dock to move. On a daily running schedule, this filter saturates over two to three months. Once saturated, airflow restriction causes the motor to work harder and suction to fall, regardless of how reliably the bin is emptied.
This set provides three Plus.Parts® high-efficiency filters designed as a direct-fit alternative to the original iRobot parts for the i3+. Each filter fits the i3+ bin compartment directly and installs in under a minute, the same way the original does. Three in the set means the maintenance that the dock does not cover is handled just as efficiently.
The media in each filter is built to maintain filtration performance across the full service interval, not just the opening runs. If you have questions about compatibility with your specific i3+ configuration, our team answers personally.
Consistent airflow, cycle after cycle
- Direct-Fit Compatibility – Each filter matches the iRobot Roomba i3+ bin compartment geometry, installing the same way as the original iRobot filter with no adjustment.
- Purpose-Built for Performance – Filter media density selected for the i-series airpath, holding capture performance and airflow resistance across the full replacement cycle.
- Recommended by Our Team – The set we recommend for maintaining the i3+’s in-robot filtration alongside its auto-empty dock routine.
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