Superior pickup of pet hair, dirt, dust and debris and works on floor types: hardwood, carpet and tile. The side brush gives you extra assurance that you get right up against walls and deep into corners for superior cleaning coverage. The parts and accessories are made from environmentally friendly materials and require virtually no maintenance. To keep your robot running at peak performance, it is recommended to replace the parts every 2-3 months. It is easy to replace and install on your robot vacuums. Compatibility: for Debot T20 Pro robot vacuum cleaner Color: White and Black Material: Plastic + Cloth Package Included: 2 x Main Brush 8 x Side Brush 4 x Mop Cloth 1 x Cover 2 x Dust Bag Dust 4 x HEPA Filters 1 x Cleaning Brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.