Universal for irobot Roomba 8/9 series 870 880 900 sweeper
When the sweeper works, the side brush adjusts and rotates to sweep the dust into the dust box
The innovative brush reaches deep into corners and edges to remove more dirt, dust and debris
It can be easy to remove and replace as part of routine maintenance
Replacement cycle usually the replacement period is 3-6 months
Observe whether the brush is worn off and whether the edge brush is deformed. Determine whether to replace