Perfectly Compatible: 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 of debris, dirt, dust, pet hair and other small particles.The compatibility of these works as well as the , greatly ensuring safety and cleaning effectiveness during use. Extended Service Life: Clean and replace parts regularly to improve suction power and extend the life of your sweeper. We recommend replacing the multi-surface rubber brushes every 2 - 4 months for best results. Super Affordable Kit: The products are made of high-strength and environmentally friendly materials, Includes 2 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 brush 4 x side brush 4 x screw 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.