Perfectly Compatible: Replacement parts kit compatible with i, e or j series E5 (E5134) E6 (E6198) E7 i7(7150) i7+ i7 plus(7550) i3(3150) i3+(3550) i4+(4552) ) i6+(6550) i8+(8550) j7+ (7550). High Performance: Multi-surface rubber brushes can capture a variety of debris, dirt, dust, pet hair and other small particles. Replacement parts compatibility works as well as safety and cleaning efficiency during use. Extended Service Life: Regularly clean and replace parts to improve suction power and extend the life of your sweeper. We recommend replacing the multi-surface rubber brushes every 2 to 4 months for best results. Super Kit: The products are made of high-strength and environmentally friendly materials, includes 2 sets of multi-surface adhesive brushes, for regular maintenance of your i, e or j series robot. Material: Plastic Color: As shown Package Contents: 8 x Roller Brushes 4 x Side Brushes 4 x Screws Only the above package content, other products are not included. Note: Light