General description New, high-quality material that is well made and compatible with older equipment. Clean accessories help your home robot perform at its best, and they are easily removed and replaced as part of routine maintenance. To achieve optimal cleaning performance, it is recommended to replace the cleaning accessories every 2-3 months, depending on usage frequency. Technical specifications Color: Black Material: Plastic Package Contents: 1 x Roller brush, 4 x Side brush, 8 x Filter Measurement allowed error: +/- 1-3 cm