[High Efficiency Clean]Multi- roller brush for removing stubborn dirt, side brush deep into corners and edges to remove more dust and debris. The side brush of the robot replacement part is bent due to transportation,soaking it in warm water for a while can be recovered.Washable reusable Microfiber Mopping Pad are super absorbent, 't leave water stains on the floor, and can be used both wet and dry [Premium materials] for combo filter to block 99.97% of dirt, dust, pet hair and other particles as small as 0.3 microns.It was completely sealed while maintaining airflow so that dust does not enter the vacuum engine through the filter PERFECT FIT: Compatible with E series E5 (E5134) E6 (E6198) E7 I series i7(7150) i7+ i7 plus(7550) i1+(1552) i4+(4550 4552)i3+(3550) i6+(6550) i8+(8550) j7(7150). This set precision is easy to replace and install, works just as well as the original HIGHLY EFFICIENT FILTERING TECHNOLOGY: Two premium quality rubber brushes are perfectly matched, one for