Compatibility: These spare parts are suitable for S50 S51 S55 S6 S5Max Main Brush and Side Brush: The V-shaped main brush rotates at a high speed of 1350 RPM, effectively pushing the dust in the space of the floor tiles and around the edges of into the dust box. And the side brushes keep the edge and corner of the wall clean. The body of them is made of ABS and the thermoplastic elastic, the bristles are made of wear- nylon bundle that will not wear the floor and make excessive noise. Wipes and filter core: These spare parts for S50 S51 are equipped with 2 microfiber mops and 6 filter cores. With those you can replace the dirty wipes and filter cores for mops under vacuum robots. Filter of Dust Box: The filter uses E11 class filter material to efficiently filter dust and prevent dust from entering the machine and blocking the machine. The filter screens could not be washed in order to extend the service life. The dust box can, however, be removed and cleaned. Easily replaceable: Due to the broad compatibility, these spare parts can be easily removed and these accessories for vacuum cleaner robots can be quickly replaced and installed. In addition, there are two small cleaning aids with which you can easily remove dust or hair from the brush. colour: as shown Material: plastic Package Contents: 2 x Main brush 3 x Side brush 3 x HEPA filter 2 x Drag 6 x Filter elements 2 x Cleaning tool 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.