COMPATIBLE WITH:Working great fit for i-Robot E5(5150) E6(6134 6198) E7 Robotic I2(2152) I3 I3+(3550) I4 I4+(4552) I6 I6+(6550) I7 I7+(7550) I8 I8+(8550) J7 J7+(7550), please confirm your model number before purchase. SOFT MATERIAL:These replacement parts are made of high quality PC with soft bristles that 't scratch floors and furniture, ensuring safe use and cleaning results. EFFECTIVE PILERING:The filter purifies up to 99.97% of 0.3 micrometre particles, has high adsorption capacity and high water absorption, and effectively eliminates odours and dust. EASY TO CLEAN REPLACE: These robot cleaner replacement parts are reusable, it is recommended to replace the cleaning parts every 2-4 months. The side brush bends can be soaked in warm water for a few minutes and dried completely before reuse. Note: The factory batch is different, slightly color difference or difference, does not affect the application of Colour:Photo Color Material:Plastic Package Contents: 2 pairs x roller brush 8x side brush 8x filter 8x dust bag 1x cleaning brush 1x screw knife 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.