Features: Protect your robot vacuum and floors with the double protections of our main brush cover The Main Brush Cover helps to concentrate suction power more accurately, preventing dirt from escaping and keeping your floors clean. Designed for T30, our Main Brush Cover is a must have accessory for homeowners who want to keep their robot vacuum in top condition. Whether you have hardwood floors, carpets, or tiles, our Main Brush Cover provides the perfect solution to prevent scratches wires. In order to obtain better protections performances, replace replacement parts every 1-3 months according to the use situation. Specifications: Componentl:ABS Size:Approx.17.5x7.1cm/6.89x2.79inch Package Includes: 1Pc Main Brush Cover note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.