iRobot Authentic Replacement Parts - Multi-Surface Rubber Brushes Compatible with Roomba e Series, i1, i1+, i3, i3+, i4, i4+, i5, i5+, i7, i7+, i8+, j5, j5+, j7, j7+, Combo j7+, j8, j8+, j9+,Combo j9+

Open the Cleaning Head Module door by pushing on the green tab on the right side of the multi-surface brushes., Remove the brushes from the robot and ensure hair and debris are removed from the square and hex pegs of the multi-surface brushes., Clear debris on and under the gray bearings., Insert the bearings on the multi-surface brushes., Ensure the vacuum path is clear., Match the shape of the multi-surface brushes pegs with the shape on the Cleaning Head Module., 1 Set of Dual Multi-Surface Brushes