Rubber Replacement Brushes Fit for iRobot Roomba i7 i7+ E5 E6 E7 Va...

?Compatibility?The replacement ONLY compatible irobot?e series?e5(5150) e6(6198)(6134) e7?i series?i3(3150 3158) i3+(3550) i4(4150) i4+(4550) i6(6150) i6+(6550)i7(7150) i7+ plus(7550) i8(8150) i8+(8550)?j series?j7(7150) j7+ plus (7550) robot vacuum cleaner.  ?High Performance?Snap into place for quick and effortless replacement. No tools required,easy to replace the main brush.  ?Maintenance? Keep your robot running at peak performance by changing the consumable replacement kit every 2~3 month,depending on your use frequency. ?Package Included?2set Roller brushes. (Note: Noise may generate when using the rollers at the first times, but if you use them for a while it will disappear. )