General description Multi-Rubber Brushes designed for I3 and I3+ models, made of high-quality materials. These uniquely designed brushes feature rubber treads that adapt to various floor surfaces, effectively removing everything from small dust particles to larger debris. Technical specifications Material: Plastic Package Contents: 4 pairs of roller brushes Measurement allowed error: +/- 1-3 cm Usage For optimal performance, it is recommended to replace the brushes every 2 to 3 months as part of regular maintenance. The brushes can be easily removed and replaced.