The iRobot Roomba l121240 is part of iRobot’s 205 Combo range — combining robot vacuuming and mopping in a single unit that covers both floor-care tasks in each cleaning session. The main rubber brush is the mechanical component that drives the vacuum side of each run: rotating to sweep surface debris — dust, crumbs, pet hair — into the intake as the robot moves through a room. The rubber construction handles mixed-surface floors well, conforming to surface texture in a way that picks up debris bristle brushes can push aside, and avoiding the hair tangles that accumulate in bristle designs over weeks of use. Washing the brush under running water keeps it serviceable longer, but the rubber compound does gradually lose its resilience under daily use — and when it does, replacement is the step that brings the vacuum performance back to the standard the robot’s intake was designed around.
This pack contains Plus.Parts® rubber main brushes designed as a direct-fit alternative to the original iRobot brush for the Roomba l121240. Three brushes in the pack means several replacement intervals covered before the next order is needed. Each brush fits the l121240’s main brush housing using the same attachment method as the original, keeping installation straightforward. The rubber compound is formulated to deliver consistent pickup across the full interval, not just the initial sessions after fitting.
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In brief
- Direct-Fit Compatibility – Each brush matches the iRobot Roomba l121240’s main brush housing dimensions and attachment method exactly.
- Inspected Before Shipping – Every brush is checked before dispatch to confirm it meets the fit and quality standard the l121240 brush slot requires.
- Reliable Quality – Rubber compound that holds its pickup contribution across repeated use and wash cycles rather than degrading quickly.
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