Compatible with iRobot Roomba E series E5(5150) E6(6198)(6134) E7, I series i1+(1552) i1(1152) i6(6150) i6+(6550) i3(3150 3158) i3+(3550) i4(4150) i4+(4550) i7(7150) i7+(7550) i8(8150) i8+(8550) and j Series j7(7150) j7+ (7550) Plus . This replacement parts for roomba works as great as the ones, precision fit and easy install. VALUABLE PACKAGE - 4 sets dual multi-surface rubber brushes for irobot roomba. DURABLE MATERIAL - The roller replacement for roomba is made of eco-friendly materials, durable rubber tread design that grabs and breaks down dirt and debris from any floor type, such as capture variety of debris, dust, pet hair and other small particles. EASY TO INSTALL - The brush replacement compatible for roomba is easy to install, do not need other tools. Open the snap on the bottom of the irobot vacuum cleaner, remove the old rollers, install the new multi-sided rubber roller brush, and press the snap tightly. Color: As Shown Material: rubber Package Contents: 4 Set * Rubber Roller Brushes Replacement Parts Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.