Accessories can effectively remove pet hair, dirt, dust and debris. They are suitable for various types of hardwood, carpet and ceramic tile The side Brush gives you extra assurance that you're right up against walls and deep into corners for superior cleaning coverage. The parts and accessories are made of environmental-friendly materials and are almost maintenance free. To keep your robot running at , the parts are recommended to be replaced every 1-3 months. Daily replacement can be carried out quickly and easily without any tools Material:plastic colour:Photo Color Package Contents: 2 * roller brush 4 * side brush 4 * filter 2 * cleaning brush Only the above package content, other products are not included. Note: Light 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.