Broad mannequin compatibility: Compatible with X9 Pro, X10 Pro Omni Suggested substitute frequency: Maintenance as quickly as every single 2 weeks. 3-6 months recommended replacement, reckoning on your utilization frequency. Tool-Free Installation: Effortlessly replace features on your Robot Vacuum with a simple, sure bet that requires no further tools, making it an easy-to-use cleaning tool. Side Brush Stockpile: Set involves aspect brushes, Meeting your a minimum of a 6-month utilization requirement. [Easy Installation] The facet brushes are perfectly matched and the set up formula has similarities to the parts, which is simple to install, gentle to use. Colour:Black Grey Material:plastic Package Contents: 12 x Side Brush Only the above equipment content, other merchandise aren't included. Note: Light reflection and various displays can cause the color of the item within the picture a chunk assorted from the real thing. The dimension allowed error is +/- 1-3cm.